2GL/2FV/2FW
1-5-14
1-5-3 Electric problems
Problem Causes Check procedures/corrective measures
(1)
The machine does
not operate when the
power switch is
turned on.
No electricity at the power
outlet.
Measure the input voltage.
The power cord is not
plugged in properly.
Check the contact between the power plug and the outlet.
The top cover is not closed
completely.
Check the top cover.
Broken power cord. Check for continuity. If none, replace the cord.
Defective power switch. Check for continuity across the contacts. If none, replace the
power source PWB. See page 1-6-17.
Blown fuse in the power
source PWB.
Check for continuity. If none, remove the cause of blowing and
replace the fuse.
Defective interlock switch. Check for continuity across the contacts of interlock switch. If
none, replace the engine/high voltage PWB. See page 1-6-17.
Defective power source
PWB or engine/high voltage
PWB.
With AC present, check for 5 V DC at YC4-11, YC7-2, YC10-1,
YC6-1, and 24 V DC at YCYC3-5, YC3-6, YC5-1 YC9-1 on the
engine/high voltage PWB. If none, replace the power source PWB
or engine/high voltage PWB. See page 1-6-17.
(2)
The main motor does
not operate
(Self diagnostic code
2000).
Poor contact in the main
motor connector terminals.
Reinsert the connector. Also check for continuity within the con-
nector harness. If none, remedy or replace the harness.
Broken main motor gear. Check visually and replace the main motor if necessary.
Defective main motor. Replace the main motor. See page 1-6-24.
Defective engine/high volt-
age PWB.
Replace the engine/high voltage PWB. See page 1-6-17.
(3)
The cooling fan
motor does not oper-
ate.
Broken cooling fan motor
coil.
Check for continuity across the coil. If none, replace the cooling
fan motor.
Poor contact in cooling fan
motor connector terminals.
Reinsert the connector.
(4)
The registration
clutch does not oper-
ate.
Broken registration clutch
coil.
Check for continuity across the coil. If none, replace the registra-
tion clutch.
Poor contact in the registra-
tion clutch connector termi-
nals.
Reinsert the connector.
Defective harness between
connect PWB and engine/
high voltage PWB.
Check for continuity across the harness. If none, replace the char-
ness.
Defective engine/high volt-
age PWB.
Replace the engine/high voltage PWB. See page 1-6-17.
Defective connect PWB. Replace the connect PWB.
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