2-28
Diagnosis function
ELEC
–
+
Dia
gnosis function
List of err
or codes and corresponding po
wer assist operations
Displa
y pattern
Fault de
vice
Err
or
codes
Fault details
P
o
wer assist beha
vior and err
or
code recor
d
*Restoration
Max Le
vel
Action
Displa
y unit
12
Stopped the comm
unications
to the displa
y unit.
P
ow
er assist is nor
mal.
Error code does not record.
0
Replace the displa
y unit assem
bly
.
13
Comm
unication data f
ailure to
displa
y unit.
15
Displa
y comes off from the
holder
.
P
ow
er assist will stop after deter
mine
the error
.
Error code does not record.
0
Replace the displa
y unit assem
bly
.
Alternately flashes
Encoder
16
Disconnected or red wire is
shor
t-circuited.
P
ow
er assist will immediately stop
after deter
mine the error
.
Error code will record.
1
1.
Chec
k the encoder connector
.
2.
Replace the encoder lead wire
.
3.
Replace the motor assemb
ly
.
17
Blac
k wire is shor
t-circuited.
Torque Sen
-
sor
20
Disconnected.
P
ow
er assist will stop after deter
mine
the error
.
Error code will record.
1
1.
Replace the encoder lead wire
.
2.
Replace the torque sensor
assemb
ly
.
21
Shor
t-circuited.
22
Wir
ing f
ailure betw
een the
torque sensor and the
control
ler
.
