Description: Backup memory read/write problem (engine board (KP-5238)) • Read and write data does not match.
Causes: Defective backup RAM or engine board (KP-5238).
Remedy: Replace the engine board (KP-5238) and check for correct operation.
Code: C0160
Description: Backup memory data problem (engine board (KP-5238)) • Data in the specified area of the backup memory does not match the specified values.
Causes: Problem with the backup memory data. Defective backup RAM.
Remedy: Turn interlock switch off and back on and run maintenance item U020 to set the contents of the backup memory data again. If the C0160 is displayed after re-setting the backup memory contents, replace the backup RAM or engine board (KP-5238).
Code: C0170
Description: Accounting count problem • When the power is turned on, the total count and the scan count are abnormal both on the main board (KP5191) and the engine board (KP-5238).
Causes: Defective main board (KP-5191) or engine board (KP-5238).
Remedy: Replace the main board (KP-5191) or engine board (KP-5238) and check for correct operation.
Code: C0180
Description: Machine number mismatch • When the power is turned on, the machine number does not match between the main board (KP-5191) and the engine board (KP-5238).
Causes: Defective main board (KP-5191) or engine board (KP-5238).
Remedy: Replace the main board (KP-5191) or engine board (KP-5238) and check for correct operation.
Code: C0210
Description: Communication problem between the main board (KP-5191) and engine board (KP-5238) • When the power is turned on, the machine does not detect the low level of SBSY and the high level of SDIR for three seconds.
Causes: Poor contact in the connector terminals. Defective main board (KP-5191) or engine board (KP-5238).
Remedy: Check the connection of connectors YC7 on the main board (KP-5191) and YC3 on the engine board (KP-5238), and the continuity across the connector terminals. Repair or replace if necessary. Replace the main board (KP-5191) or engine board (KP-5238) and check for correct operation.
Code: C0220
Description: Communication problem between the main board (KP-5191) and operation board • There is no reply after 20 retries at communication.
Causes: Poor contact in the connector terminals. Defective main board (KP-5191) or operation board.
Remedy: Check the connection of connectors YC13 on the main board (KP-5191) and YC3 on the operation board, and the continuity across the connector terminals. Repair or replace if necessary. Replace the main board (KP-5191) or operation board and check for correct operation.