Description: Hard disk error The hard disk cannot be accessed.
Causes: Defective connector cable or poor contact in the connector. Defective hard disk. Defective main PWB.
Remedy: Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. 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: 0800
Description: Image processing error JAM010X is detected twice.
Causes: Defective main PWB.
Remedy: Defective main PWB. Replace the main PWB and check for correct operation.
Code: 0840
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: The battery is disconnected from the main PWB. Defective main PWB.nnec
Remedy: The battery is disconnected from the main PWB. Check visually and remedy if necessary Defective main PWB. Replace the main PWB and check for correct operation. * : Once detected, turning the main power switch off and on lets the machine in disconnection mode, displaying Maintenance T.Execute U906 to reset.
Code: 0970
Description: 12 V power down detect Power is disconnected during sleepingDetection of the temporary blackout during sleeping (24V is off, 23V is on, only the controller software is running).
Causes: Defective power source PWB.
Remedy: Defective power source PWB. Replace the power source PWB and check for correct operation.
Code: 0980
Description: 24 V power down detect 24V disconnection signal is detected for 1 s and 12V disconnection signal is not detected.
Causes: Defective power source PWB.
Remedy: Defective power source PWB. Replace the power source PWB and check for correct operation.
Code: 1000
Description: MP lift motor error After the MP lift motor is driven, the ON status of MP lift sensors 1 and 2 cannot be detected for 3 s.
Causes: Defective MP plate elevation mechanism. Defective connector cable or poor contact in the connector. Defective drive transmission system of motor. Defective MP lift motor. Defective engine PWB.
Remedy: Defective MP plate elevation mechanism. Check to see if the MP plate can move smoothly and repair it if any problem is found. Defective connector cable or poor contact in the connector. Reinsert the connector. Also check for continuity within the connector cable. If none, replace the cable. MP lift motor and relay PWB (YC3) Relay PWB (YC12) and feed PWB 1 (YC17) Feed PWB 1 (YC1) and engine PWB (YC6) Defective drive transmission system of motor. Check if the gears rotate smoothly. If not, grease the bushes and gears. Check for broken gears and replace if any. Defective MP lift motor. Replace the MP lift motor. Defective engine PWB. Replace the engine PWB and check for correct operation.