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1-4-2
Self-diagnosis
(1) Self-diagnostic function
This unit is equipped with a self-diagnostic function. When a problem is detected, copying is disabled and the problem dis-
played as a code consisting of C followed by a number, indicating the nature of the problem. A message is also displayed
requesting the user to call for service.
After removing the problem, the self-diagnostic function can be reset by turning cover switch off and back on.
(2) Self diagnostic codes
Code
C1100
PF lift motor 1 error
A motor over-current signal is detected
continuously for 1 s or longer.
C1110
PF lift motor 2 error
A motor over-current signal is detected
continuously for 1 s or longer.
C1120
PF left lift position problem
Level switch 1 does not turn on within 30
s of PF lift motor 2 turning on.
Y112030-5
Contents
Causes
Check procedures/corrective measures
Poor contact in the
Check the connection of connector YC27 on
connector termi-
the engine PWB and the connector on the
nals.
PF main PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
PF lift motor 1 does
Check the gears and remedy if necessary.
not rotate correctly
(the motor is over-
loaded).
Poor contact in the
Check the connection of connector YC27 on
connector termi-
the engine PWB and the connector on the
nals.
PF main PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
PF lift motor 2 does
Check the gears and remedy if necessary.
not rotate correctly
(the motor is over-
loaded).
Poor contact in the
Check the connection of connector YC27 on
connector termi-
the engine PWB and the connector on the
nals.
PF main PWB, and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective level
Check if YC5-4 on the PF main PWB goes
switch 1.
low when level switch 1 is turned off. If not,
replace PF lift switch 1.
Defective PF lift
Check for continuity across the coil. If none,
motor 2.
replace PF lift motor 2.
The PF left lift does
Check the gears and belts, and remedy if
not rise properly.
necessary.
Service Manual
Remarks
5H8-1
1-4-5
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