DS3800HSQD

DS3800HSQD1D1A

The GE Low HP Sequence Board DS3800HSQD1D1A is engineered with 1 hole in each corner to insert screws to secure the board in the drive. The GE Low HP Sequence Board DS3800HSQD1D1A also is populated with 2 40-pin connectors and 1 20-pin connector with retention levers to secure the ribbon cables. The board is also populated with a 50-pin connector and 1 20-pin connector on the surface of the board. The board also is populated with 1 erasable programmable read-only memory (EPROM) module and 1 amber indicator LED and 8 red indicator LEDs.

When the GE Low HP Sequence Board DS3800HSQD1D1A is replaced, the replacement board might be a newer version. The newer version will contain the latest improvements to the board. The improvements will include changes to the circuits to improve performance. This might mean that the location of the components must change to accommodate the circuit board changes. The newer version of the board also will include improved components. The new components might differ in color, size, or shape. For example, a newer capacitor might be covered in a different color plastic material.

The version number doesn’t change the compatibility between the boards. All versions are compatible and they provide the same processing behavior. In some situations, a jumper or other component might be missing from a later board version. Workarounds are available for you to obtain the same performance from the new version, despite the hardware differences. To obtain information about the workarounds, refer to the supplier or to the information provided with the replacement board.

DS3800HSQD1D1B

The GE Low HP Sequence Board DS3800HSQD1D1B is engineered with 1 hole in each corner to insert screws to secure the board in the drive. The GE Low HP Sequence Board DS3800HSQD1D1B also is populated with 2 40-pin connectors and 1 20-pin connector with retention levers to secure the ribbon cables. The board is also populated with a 50-pin connector and 1 20-pin connector on the surface of the board. The board also is populated with 1 erasable programmable read-only memory (EPROM) module and 1 amber indicator LED and 8 red indicator LEDs.

The 1 amber indicator LED is lit when the board is receiving electrical power and it has completed the startup diagnostic tests. When the amber LED is not lit, it indicates that power is not present in the board and that the startup diagnostic tests were not successfully completed. Check that the board is receiving power and restart the board to see if normal operations can be resumed.

The 8 red indicator LEDs light when activity is taking place on the board. Each red LEDs is part of a circuit on the board and when activity occurs on that circuit, the LED is lit. The operator is able to monitor the activity on the board by viewing the activity on the LEDs.

When the board first receives power during the start up procedure, all the LEDs light briefly. This is so the operator can verify that the LEDs are working. The LEDs then go blank while the startup procedure continues.

DS3800HSQD1E1B

The GE Low HP Sequence Board DS3800HSQD1E1B is engineered with 1 hole in each corner to insert screws to secure the board in the drive. The GE Low HP Sequence Board DS3800HSQD1E1B also is populated with 2 40-pin connectors and 1 20-pin connector with retention levers to secure the ribbon cables. The board is also populated with a 50-pin connector and 1 20-pin connector on the surface of the board. The board also is populated with 1 erasable programmable read-only memory (EPROM) module and 1 amber indicator LED and 8 red indicator LEDs.

When you plan to install the replacement GE Low HP Sequence Board DS3800HSQD1E1B, the first step is to remove the board you are replacing. That requires you to remove all power from the drive. If you are unsure of the multiple sources of electric energy, confer with an engineer or technician who has knowledge of the installation of the drive. A person familiar with the installation will know how to disconnect the sources of electric power. This is important because the drive is powered by multiple sources of power. All the sources must be disconnected before the installer can begin the replacement task.

The best practice is to remove the ribbon cables before removing the board. The 40-pin connectors come equipped with retention latches. To disconnect a ribbon cable, first swing open the retention latch from over the ribbon cable. Then, hold the connector end of the cable and gently remove it from the board.

DS3800HSQD1E1E

The GE Low HP Sequence Board DS3800HSQD1E1E is engineered with 1 hole in each corner to insert screws to secure the board in the drive. The GE Low HP Sequence Board DS3800HSQD1E1E also is populated with 2 40-pin connectors and 1 20-pin connector with retention levers to secure the ribbon cables. The board is also populated with a 50-pin connector and 1 20-pin connector on the surface of the board. The board also is populated with 1 erasable programmable read-only memory (EPROM) module and 1 amber indicator LED and 8 red indicator LEDs.

The EPROM module on the replacement board is empty when you receive it. This is standard because it is best practice to use the same firmware and programming code on the replacement board as was used on the original board. Only by using the same code can you be sure that the drive will operate the same with the replacement board installed. It is possible to use the same firmware and programming code because the modules can be removed from the old board and installed in the replacement board.

The module is installed in a socket on the original board. It is securely seated in the socket but can easily be removed. Insert a small flat-blade screwdriver in the opening between the module and the socket. Lift up on the screwdriver to pop off the module. Repeat the procedure on the other end of the socket. Immediately place the module in a static protective bag and place it in a safe location.

DS3800HSQD1F1C

The GE Low HP Sequence Board DS3800HSQD1F1C is engineered with 1 hole in each corner to insert screws to secure the board in the drive. The GE Low HP Sequence Board DS3800HSQD1F1C also is populated with 2 40-pin connectors and 1 20-pin connector with retention levers to secure the ribbon cables. The board is also populated with a 50-pin connector and 1 20-pin connector on the surface of the board. The board also is populated with 1 erasable programmable read-only memory (EPROM) module and 1 amber indicator LED and 8 red indicator LEDs.

When the GE Low HP Sequence Board DS3800HSQD1F1C is removed from the drive, the first step is to remove the ribbon cables. To remove a ribbon cable the technician holds the connector attached to the board with 1 hand and gently pulls the cable out of the connector on the board.

The next step is to remove the screws that hold the board in the rack. Use a screwdriver to remove each of the 4 screws. Carefully use the screwdriver but do not allow it to scratch the surface of the board. Any scratch might damage the circuits or damage components on the board. Also, if any screws fall into the interior of the board, stop the replacement procedure and locate and remove the fallen screw. If the screws remain in the drive, an electric shock might result due to screws causing a short circuit condition. Keep the four screws together and have them ready to secure the replacement board.

DS3800HSQD1F1D

The GE Low HP Sequence Board DS3800HSQD1F1D is engineered with 1 hole in each corner to insert screws to secure the board in the drive. The GE Low HP Sequence Board DS3800HSQD1F1D also is populated with 2 40-pin connectors and 1 20-pin connector with retention levers to secure the ribbon cables. The board is also populated with a 50-pin connector and 1 20-pin connector on the surface of the board. The board also is populated with 1 erasable programmable read-only memory (EPROM) module and 1 amber indicator LED and 8 red indicator LEDs.

The installation of the replacement GE Low HP Sequence Board DS3800HSQD1F1D requires the use of 4 screws to secure the board. When you remove the defective board from the drive, gather the 4 screws together and store them in a safe place. Use the screws to secure the replacement board. Take care that you not drop them into the drive. If it happens that a screw falls into the drive, stop the replacement procedure and locate the screw. If it falls on a board or other electrical connection, it might cause a short circuit. The short can cause an electrical fire. The fire can lead to equipment damage or injury to operators or others in the surrounding area. If it falls into the motor or other moving parts, it can cause a jam that damages moving parts. Once you retrieve the screw, you can proceed with the replacement task.

Use a screwdriver to secure the board with the screws. However, do not over tighten the screws.

DS3800HSQD1G1B

The GE Low HP Sequence Board DS3800HSQD1G1B is engineered with 1 hole in each corner to insert screws to secure the board in the drive. The GE Low HP Sequence Board DS3800HSQD1G1B also is populated with 2 40-pin connectors and 1 20-pin connector with retention levers to secure the ribbon cables. The board is also populated with a 50-pin connector and 1 20-pin connector on the surface of the board. The board also is populated with 1 erasable programmable read-only memory (EPROM) module and 1 amber indicator LED and 8 red indicator LEDs.

When you remove the GE Low HP Sequence Board DS3800HSQD1G1B from the drive, 1 step is to remove the ribbon cables from the connectors. To do that, you must first lift the retention levers that secure the cables in the connector. The retention levers ensure that the cables do not accidently loose connection with the board. Once the retention lever is removed, hold the connector at the end of the ribbon cable and lift it from the connector. Do not tug the cable free from the connector. The fine wires that comprise the ribbon cables will break free from the connector.

However, when installed the retention levers might also put stress on the ribbon cable and damage the signal connections between the cable and the connector attached to the end of the cable. Make sure there is a liberal amount of slack in the cable so that the ribbon cable is not stressed. The retention levers snap into position when properly positioned over the connector.

DS3800HSQD1G1C

The GE Low HP Sequence Board DS3800HSQD1G1C is engineered with 1 hole in each corner to insert screws to secure the board in the drive. The GE Low HP Sequence Board DS3800HSQD1G1C also is populated with 2 40-pin connectors and 1 20-pin connector with retention levers to secure the ribbon cables. The board is also populated with a 50-pin connector and 1 20-pin connector on the surface of the board. The board also is populated with 1 erasable programmable read-only memory (EPROM) module and 1 amber indicator LED and 8 red indicator LEDs.

The indicator LEDs on the GE Low HP Sequence Board DS3800HSQD1G1C enables an operator or technician to monitor the operations of the drive. At the same time, the operator or technician can monitor other drives and equipment. This is because with a glance at the indicator LEDs the technician or operator can observe if errors have occurred or if the operations are proceeding as normal.

When the amber LED is on, it indicates that the drive has started and that the initial start up diagnostic tests were passed. If the drive has started and the amber LED remains off, it might indicate a problem. It might indicate that power is not available to the drive. Check to see if all power is entering the drive and that the power sources are working as required. If power is available, the drive might have failed the initial diagnostic tests performed at startup. Once you are able to start the drive, perform the full range of diagnostic tests to investigate the problem.

DS3800HSQD1G1D

The GE Low HP Sequence Board DS3800HSQD1G1D is engineered with 1 hole in each corner to insert screws to secure the board in the drive. The GE Low HP Sequence Board DS3800HSQD1G1D also is populated with 2 40-pin connectors and 1 20-pin connector with retention levers to secure the ribbon cables. The board is also populated with a 50-pin connector and 1 20-pin connector on the surface of the board. The board also is populated with 1 erasable programmable read-only memory (EPROM) module and 1 amber indicator LED and 8 red indicator LEDs.

The red indicator LEDs on the GE Low HP Sequence Board DS3800HSQD1G1D provide a way for the operator or technician to monitor the activity of the drive. When the red indicator LEDs are off, there is no activity taking place on the circuit. Each LED is associated with a circuit on the board. When activity is taking place the red indicator LEDs flash.

The red indicator LEDs each has an ID associated with it. The IDs are prefixed with CR. The prefix is followed by a number. Some of the IDs are CR1, CR3, and CR5. The IDs are printed on the surface of the board. The IDs are very useful to understanding the meaning of each LED. The definition of each LED is provided in the printed material that describes the board. The information about the board has a table that describes what is indicated when each LED flashes.

The red LEDs are visible to the operator or technician while the drive is in operation.

DS3800HSQD1G1E

The GE Low HP Sequence Board DS3800HSQD1G1E is engineered with 1 hole in each corner to insert screws to secure the board in the drive. The GE Low HP Sequence Board DS3800HSQD1G1E also is populated with 2 40-pin connectors and 1 20-pin connector with retention levers to secure the ribbon cables. The board is also populated with a 50-pin connector and 1 20-pin connector on the surface of the board. The board also is populated with 1 erasable programmable read-only memory (EPROM) module and 1 amber indicator LED and 8 red indicator LEDs.

The GE Low HP Sequence Board DS3800HSQD1G1E is also populated with standoffs. The standoffs enable a daughter card to be attached to the board. To use the standoffs, the servicer or installer aligns the holes on the daughter card with the standoffs and presses the card into place. To remove a daughter card, lift 1 corner of the daughter card from the standoff. Then, repeat the procedure with another corner until all corners are free. The daughter card is designed to add functionality to the GE Low HP Sequence Board DS3800HSQD1G1E. A ribbon cable is attached to the daughter card and it ends with a 50-pin connector. To use the daughter card, connect the 50-pin connector to the 50-pin connector on the GE Low HP Sequence Board DS3800HSQD1G1E. The 50-pin ribbon cable provides the signal connections and power connections for the daughter card.

When you install the board with the daughter card attached, keep the daughter card from scraping against the other components in the drive.

DS3800HSQD1G1F

The GE Low HP Sequence Board DS3800HSQD1G1F is engineered with 1 hole in each corner to insert screws to secure the board in the drive. The GE Low HP Sequence Board DS3800HSQD1G1F also is populated with 2 40-pin connectors and 1 20-pin connector with retention levers to secure the ribbon cables. The board is also populated with a 50-pin connector and 1 20-pin connector on the surface of the board. The board also is populated with 1 erasable programmable read-only memory (EPROM) module and 1 amber indicator LED and 8 red indicator LEDs.

When you are preparing to replace the GE Low HP Sequence Board DS3800HSQD1G1F, there are several items to consider. The replacement board comes with EPROM sockets on the board but the sockets are not populated with modules. This is intentional because it enables you to move the modules from the old board to the new replacement board.

The behavior of the board is determined by the firmware and programming instructions that control the board. To ensure that the replacement board processes the same as the old board, move the modules from the old board to the new replacement board. This is a quick and easy procedure. Use a flat-bladed tool, like a screwdriver and insert it in the slot between the module and the socket. Lift up that end of the module. Place the screwdriver in the opposite end of the socket and perform the same procedure to remove the module. Immediately slide the module into a static-protect bag.

DS3800HSQD1H1E

The GE Low HP Sequence Board DS3800HSQD1H1E is engineered with 1 hole in each corner to insert screws to secure the board in the drive. The GE Low HP Sequence Board DS3800HSQD1H1E also is populated with 2 40-pin connectors and 1 20-pin connector with retention levers to secure the ribbon cables. The board is also populated with a 50-pin connector and 1 20-pin connector on the surface of the board. The board also is populated with 1 erasable programmable read-only memory (EPROM) module and 1 amber indicator LED and 8 red indicator LEDs.

The 50-pin connector on the GE Low HP Sequence Board DS3800HSQD1H1E has a specific purpose related to board processing. It connects the board to a daughter card that is purpose built for the board. The daughter card attaches to standoffs by sliding them over the matching holes in each corner of the card. When locked in place the card snaps over the standoffs. The daughter card has 1 50-pin ribbon cable attached to it. 1 end is permanently attached to the card and the other end has a 50-pin connector attached to it. Connect the 50-pin connector to the board. It supplies the connections for receiving and transmitting control signals to and from the daughter card. It also supplies the current require to power the daughter card.

Because of the extra weight and size of the GE Low HP Sequence Board DS3800HSQD1H1E with the daughter card attached, use care when you attach the board in the board rack.

DS3800HSQD1J1C

The GE Low HP Sequence Board DS3800HSQD1J1C is engineered with 1 hole in each corner to insert screws to secure the board in the drive. The GE Low HP Sequence Board DS3800HSQD1J1C also is populated with 2 40-pin connectors and 1 20-pin connector with retention levers to secure the ribbon cables. The board is also populated with a 50-pin connector and 1 20-pin connector on the surface of the board. The board also is populated with 1 erasable programmable read-only memory (EPROM) module and 1 amber indicator LED and 8 red indicator LEDs.

The GE Low HP Sequence Board DS3800HSQD1J1C is secured in the board rack with 4 screws. 1 screw is installed in each corner. To remove the board, first disconnect the ribbon cables attached to the board. Some of the connectors have retention clips that hold the ribbon cables. Before you remove a ribbon cable, swing the clips over the connector. Then, you can use 1 hand to pull the ribbon cable free by holding the connector at the end of the ribbon cable.

Move all the ribbon cable out of the way and carefully use a screwdriver to loosen a screw. Make sure the screwdriver doesn’t scratch the surface of the board or damage any components. Make sure you have all the screws together and store them for use when you install the replacement board. If 1 screw is missing, locate it inside the interior of the drive.  If not found, it can cause a short circuit that can lead to fire or damage to components in the drive. It can lead to injury due to fire or electric shock.

DS3800HSQD1J1E

The GE Low HP Sequence Board DS3800HSQD1J1E is engineered with 1 hole in each corner to insert screws to secure the board in the drive. The GE Low HP Sequence Board DS3800HSQD1J1E also is populated with 2 40-pin connectors and 1 20-pin connector with retention levers to secure the ribbon cables. The board is also populated with a 50-pin connector and 1 20-pin connector on the surface of the board. The board also is populated with 1 erasable programmable read-only memory (EPROM) module and 1 amber indicator LED and 8 red indicator LEDs.

In some circumstances, it is helpful to add a daughter card to the GE Low HP Sequence Board DS3800HSQD1J1E. The daughter card is designed to add to the processing capability of the board. The daughter card and the board work in tandem to perform the processing functions. The board is equipped with standoffs which are plastic devices attached to the board. The daughter card is equipped with holes in each corner. The technician can slide the holes in the daughter card into the standoffs to secure the daughter card to the board.

The daughter card also is populated with a short 50-pin ribbon cable. One end of the ribbon cable is permanently attached to the daughter card. The ribbon cable is equipped with a 50-pin connector on the other end. Plug the connector into the 50-pin connector on the board. The connection provides the control signals that pass between the daughter card and the board. It also supplies the voltage to power the daughter card.

DS3800HSQD1J1F

The GE Low HP Sequence Board DS3800HSQD1J1F is engineered with 1 hole in each corner to insert screws to secure the board in the drive. The GE Low HP Sequence Board DS3800HSQD1J1F also is populated with 2 40-pin connectors and 1 20-pin connector with retention levers to secure the ribbon cables. The board is also populated with a 50-pin connector and 1 20-pin connector on the surface of the board. The board also is populated with 1 erasable programmable read-only memory (EPROM) module and 1 amber indicator LED and 8 red indicator LEDs.

The GE Low HP Sequence Board DS3800HSQD1J1F that you plan to replace might have a daughter card installed on it. The daughter card is an optional device for use with the board. It provides added functionality to the board. The daughter card  transmits signals to the board. It also receives signals from the board. It also obtains the current to power the daughter card from the board. The daughter card can be removed and installed on the replacement board.

Wear a wrist strap when you remove and install the daughter card. To remove the daughter card first disconnect the 50-pin ribbon cable. Use 1 hand to hold the connector and pull it out of the connector on the board. Then lift 1 corner of the daughter card at a time from the standoffs. Hold the card with 2 hands and place it in a static protective bag. Store the card in a clean and dry location until you are ready to install it on the replacement board.

DS3800HSQD1J1G

The GE Low HP Sequence Board DS3800HSQD1J1G is engineered with 1 hole in each corner to insert screws to secure the board in the drive. The GE Low HP Sequence Board DS3800HSQD1J1G also is populated with 2 40-pin connectors and 1 20-pin connector with retention levers to secure the ribbon cables. The board is also populated with a 50-pin connector and 1 20-pin connector on the surface of the board. The board also is populated with 1 erasable programmable read-only memory (EPROM) module and 1 amber indicator LED and 8 red indicator LEDs.

When you replace the GE Low HP Sequence Board DS3800HSQD1J1G you must plan to move several components from the defective board to the replacement board. If the defective board is equipped with a daughter card, you can remove it from the old board and install it on the replacement board. To remove it from the old board, disconnect the ribbon cable from the connector on the board. Pull the card out of the standoffs by lifting 1 corner at a time.

The other components that must be removed from the defective board is the EPROM modules. The EPROM modules store the instruction code and firmware that control the processing. To ensure the drive processes the same with the new board installed, it is best practice to use the same firmware and programming code on the new board. You can use the same code by moving the modules from the defective board to the new board. Use a flat-blade screwdriver to pry off the modules from the module socket. Press the modules into the sockets on the replacement board.