Carrier GRAVINER Mk 6 - 6.1.3 Status Display PCB Replacement; 6.1.4 Function Key Membrane Replacement; 6.1.5 Status Display Membrane Replacement; 6.1.6 Engine Status Display PCB Replacement

Nov-21 Page 115 of 132 59812-K001 Rev 10
4. Remove the 4 fixing screws, washers and remove the PCB.
5. Fit the replacement PCB with the 4 fixing screws and washers.
6. Replace the Main Control Processor Board, re-fit all connectors.
7. Switch on system and allow it to initialis
of the initialisation process.
6.1.4 Function Key Membrane Replacement
1. Power down the system.
2. Remove the Main Control Processor Board and LCD as detailed in section 5.2.15.
3. Remove the Status Display PCB as detailed in section 6.1.3.
4. Remove the 12 fixing nuts and washers. Remove the membrane from the fixing studs.
5. Fit the replacement membrane with the 12 fixing nuts and washers.
6. Replace the LCD and cover, Status Display PCB and Main Control Processor Board. Refit all
connectors.
7. Switch on system and allow it to initialise.
8. Press the Engine Display key and ensure that the buzzer sounds when the key is pressed and that
the LCD shows the Engine Screen, Figure 77.
6.1.5 Status Display Membrane Replacement
1. Power down the system.
2. Remove the Engine Status Display PCB as detailed in section 6.1.6.
3. Remove the 7 fixing nuts and washers. Remove the membrane.
4. Fit the replacement membrane with the 7 fixing nuts and washers.
9. Replace the Engine Status Display PCB. Refit all connectors.
10.
of the initialisation process.
6.1.6 Engine Status Display PCB Replacement
1. Power down the system.
2. Remove the two connectors located on the top left-hand side of the board, noting the orientation.
3. Remove 6 off fixing screws and washers. Remove the PCB.
4. Fit the new PCB with the 6 off screws and washers. Replace the two connectors.
5. s shall be switched on as part
of the initialisation process.
6.1.7 Door Seal Replacement
1. Remove the damaged length of door seal from the door removing and glue residue left on the door.
2. Remove the backing paper from the replacement door seal and stick the seal in place.
3. Trim the ends of the seal to match the existing seal.
6.1.8 OMD Mk6 Firmware Replacement
1. Power down the system.
2. Using a small screwdriver or other suitable tool ease IC9 on the Main Control Processor Board out
of the socket.