2MN/2N1-1
1-4-28
0800 Image processing error
JAM010X is detected twice.
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation (see page 1-5-44).
0840 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.
The battery is dis-
connected from the
main PWB.
Check visually and remedy if necessary
Defective main
PWB.
Replace the main PWB and check for cor-
rect operation (see page 1-5-44).
* : Once detected, turning the main power switch off and on
lets the machine in disconnection mode, displaying Main-
tenance T.Execute U906 to reset.
0970 12 V power down detect
Power is disconnected during
sleepingDetection of the tem-
porary blackout during sleep-
ing (24V is off, 23V is on, only
the controller software is run-
ning).
Defective power
source PWB.
Replace the power source PWB and check
for correct operation.
0980 24 V power down detect
24V disconnection signal is
detected for 1 s and 12V
disconnection signal is not
detected.
Defective power
source PWB.
Replace the power source PWB and check
for correct operation.
1000 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.
Defective MP plate
elevation mecha-
nism.
Check to see if the MP plate can move
smoothly and repair it if any problem is
found.
Defective connec-
tor cable or poor
contact in the con-
nector.
Reinsert the connector. Also check for conti-
nuity 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 sys-
tem 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 cor-
rect operation (see page 1-5-49).
Code Contents Causes
Check procedures/
corrective measures