TCM FB-8 Series, Service Manual

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3. TROUBLESHOOTING GUIDE
(1) Drive system (5/5)
Error code on display
Error description
Problem
Resetting
Error code conditions
LED code
Page
602
Load-handling data reception error (Communication wire broken) (T
he
c
on
ta
ct
or
d
oe
s n
ot
o
pe
ra
te
w
he
n
th
e
load-handling 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.
63
56
603
EPS (power steering) data reception error (Communication wire broken) (The contactor does not operate when the power steering 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.
64
56
-
Abnormal battery voltage detected
Th
e
tra
ve
l,
lo
ad
-h
an
dl
in
g
an
d
PS
(p
ow
er
steering) systems are inoperative.
Turn the key switch OFF
.
48
V
trucks: More than 63
V
72
V
trucks: More than 94
V
08
56
-
Load short circuit (Motor interphase short-circuited)
The truck won’
t travel.
Turn the key switch OFF
.
22
57
-
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
57
EEPROM
ACK error
83
-
Overcurrent (Hard OCL
detected)
The truck won’
t travel.
Turn the key switch OFF
.
91
57