Inverter Unit Interface Failure - Oki C9800 Series Service & Troubleshooting Manual

Inverter Unit Interface Failure

Error Codes that Apply
189
Initial Troubleshooting Actions to Take
1. Reseat the Finisher connections.
2. Cycle the printer's power.
3. If the problem persists follow the procedure below.
Parts of the Printer that Apply
1. Inverter Control Board
2. Finisher Power Cord
3. Engine Control Board
Troubleshooting Procedure
Steps
Check the following for evidence of
1
Inverter connections, Power Cord.
Check the Inverter connection.
2
Is the Inverter interface cable
securely connected at both ends?
Check all pins on the Interface
3
Disconnect from the Engine Control
Board and Option connector.
Is the harness conductive?
Action Taken
fault or damage:
Inverter Interface Cable
Is there any damage?
Harness for continuity.
Yes
Replace any damaged
parts.
Go to Step 3.
Replace the Inverter
Control Board. If the
error persists,
replace the Engine
Control Board
No
Go to Step 2.
Connect the
Inverter to the
Finisher.
Replace the
Interface Harness.