TCM FB-8 Series, Service Manual

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3. TROUBLESHOOTING GUIDE
(22) 600
65
: LCD panel data reception error
(Communication wire broken)
Automatically resets when the input returns to
normal.
①
Check the connectors for the CN1D-1, -3, -13, -14,
and -15 terminals on the drive motor inverter unit for
proper installation.
Install properly.
②
Check the LCD panel connector for proper
installation.
Install properly.
③
Remove the EPS motor controller connector. –
④
Check the resistance between CN1E-9 and CN1E-12
on the EPS motor controller.
Repair the EPS motor controller.
⑤
Replace the drive motor inverter unit.
(23) 602
63
: Load-handling data reception error
(Communication wire broken)
Automatically resets when the input returns to
normal.
603
64
: EPS data reception error
(Communication wire broken)
Automatically resets when the input returns to
normal.
①
Check the connectors for the
CN1D-1, -3, -13, -14,
and -15 terminals on the drive motor inverter for
looseness.
Connect securely.
②
Check the connectors for the CN1P-1, -3, -13, -14,
and
-15
terminals on the pump motor inverter unit
for looseness.
Connect securely.
③
Check the connectors for the
CN1E-8, -9, -10, -11,
and -12 terminals on the EPS motor controller for
looseness.
Connect securely.
④
Check each harness of the connectors described in
items
①
,
②
, and
③
.
Repair the harness.
⑤
Remove the EPS motor controller connector.
–
⑥
Check the resistance between CN1E-9 and CN1E-12
on the EPS motor controller.
Repair the EPS motor controller.
⑦
Replace the drive motor inverter unit.
(24) -
08
: Abnormal battery voltage
Resets when the key switch is turned OFF.
①
Check the charger connection.
Connect properly.
②
Check the battery voltage.
③
Replace the drive motor inverter unit.