Description: Power CPU communication problem A communication error is detected 10 times in succession.
Causes: Defective engine PWB.
Remedy: Defective engine PWB. Replace the engine PWB and check for correct operation.
Code: C0640
Description: Hard disk drive problem The hard disk cannot be accessed.
Causes: Poor contact in the connector terminals. Defective hard disk. Defective main PWB.
Remedy: Poor contact in the connector terminals. Check the connection the main PWB and the hard disk, and the continuity across the connector terminals. Repair or replace if necessary. Defective hard disk. Run U024 (HDD formatting) without turning the power off to initialize the hard disk. Replace the hard disk drive and check for correct operation if the problem is still detected after initialization. Defective main PWB. Replace the main PWB and check for correct operation.
Code: C0800
Description: Image processing problem JAM05 is detected twice.
Causes: Defective main PWB. Defective main PWB. The battery is disconnected from the main PWB.
Remedy: Defective main PWB. Replace the main PWB and check for correct operation.
Code: C0840
Description: Faults of RTC The time is judged to go back based on the comparison of the RTC time and the current time or five years or more have passed.
Causes: Defective main PWB. The battery is disconnected from the main PWB.
Remedy: Defective main PWB. Replace the main PWB and check for correct operation. The battery is disconnected from the main PWB. Check visually and remedy if necessary.
Code: C1010
Description: Lift motor 1 error After cassette 1 is inserted, lift switch 1 does not turn on within 12 s. This error is detected four times successively.
Causes: Poor contact in the connector terminals. Broken gears or couplings of lift motor 1. Defective lift motor 1. Defective lift switch 1. Poor contact in the connector terminals. Defective PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector of lift motor 1 and the connector YC3 on the feed PWB, and the continuity across the connector terminals. Repair or replace if necessary. Broken gears or couplings of lift motor 1. Replace lift motor 1. Defective lift motor 1. Check for continuity across the coil. If none, replace lift motor 1. Defective lift switch 1. Check if YC4-2 on the feed PWB goes low when lift switch 1 is turned off. If not, replace lift switch 1. Poor contact in the connector terminals. Check the connection of connector of lift switch 1 and the connector YC4 on the feed PWB, and the continuity across the connector terminals. Repair or replace if necessary. Defective PWB. Replace the feed PWB or engine PWB and check for correct operation.
Code: C1020
Description: Lift motor 2 error After cassette 2 is inserted, lift switch 2 does not turn on within 12 s. This error is detected four times successively.
Causes: Poor contact in the connector terminals. Broken gears or couplings of lift motor 2. Defective lift motor 2. Defective lift switch 2. Poor contact in the connector terminals. Defective PWB.
Remedy: Poor contact in the connector terminals. Check the connection of connector of lift motor 2 and the connector YC3 on the feed PWB, and the continuity across the connector terminals. Repair or replace if necessary. Broken gears or couplings of lift motor 2. Replace lift motor 2. Defective lift motor 2. Check for continuity across the coil. If none, replace lift motor 2. Defective lift switch 2. Check if YC4-8 on the feed PWB goes low when lift switch 2 is turned off. If not, replace lift switch 2. Poor contact in the connector terminals. Check the connection of connector of lift switch 2 and the connector YC4 on the feed PWB, and the continuity across the connector terminals. Repair or replace if necessary. Defective PWB. Replace the feed PWB or engine PWB and check for correct operation.