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3. TROUBLESHOOTING GUIDE
(2) Load-handling system (including trucks with an Orbitrol steering system) (3/3)
Error code
on display
Error description Problem Resetting Error code conditions
LED
code
Page
420
Pump motor inverter unit lower FET
defective
(Error Code 218 also occurs because
the drive drive and pump motor inverter
units are connected with a copper bar.)
(Error Code 217 is also triggered
because the capacitor between the P and
N terminals cannot be charged.)
The travel, load handling, and PS (power
steering) systems are inoperative.
Contactor OFF.
Turn the key switch OFF. 21 61
-
Load short-circuit (Motor interphase
short-circuited)
The load-handling system won’t work. Turn the key switch OFF. 22 61
-
Drive data reception error
(Communication wire broken)
(The contactor does not operate when
the drive data has no errors when the key
switch is turned ON.)
The truck can be driven normally.
Automatically resets when
the input returns to normal.
61 62
-
EEPROM SUM error
The truck can be driven normally.
(The parameters used for the drive
adjustments are the default settings.)
Turn the key switch OFF.
82
62
EEPROM ACK error 83
-
Overcurrent
(Hard OCL detected)
The load-handling system won’t work. Turn the key switch OFF. 91 61
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