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9-13
Chapter 9. MAINTENANCE & TROUBLESHOOTING
■
Normal wiring for direct motor rotation
Upper Display Lit LEDs
Lower Display
Motor Action
Remarks
C
A
.C
L
↓
C
A
.O
P
OT2
OT1
Readout decreases from
1000 to 500 and stabilizes.
Readout increases from 500
to 9500 and stabilizes.
CCW
CW
If the motor rotates CCW
when OT2 lights, motor
terminals 1 and 2 are wired
for direct rotation.
■
Normal wiring for reverse motor rotation
Upper Display Lit LEDs
Lower Display
Motor Action
Remarks
C
A
.C
L
↓
C
A
.O
P
OT2
OT1
Readout decreases from
9000 to 500 and stabilizes.
Readout increases from 500
to 9500 and stabilizes.
CW
CCW
If the motor rotates CW
when 1 2 and G Y are
reversed and OT2 lights,
motor terminals 1 and 2 are
wired for reverse rotation.
■
Alarm display caused by wrong wiring and causes
Upper Display Lit LEDs
Lower Display
Motor Action
Alarm Display
Cause
C
A
.C
L
↓
C
A
.O
P
OT2
OT1
Display increases and
stabilizes.
Display decreases and
stabilizes.
CCW
CW
A
L
1
2
G Y
reversed
C
A
.C
L
↓
C
A
.O
P
OT2
OT1
Display decreases and
stabilizes.
Display stabilizes at
9999.
CCW
CW
A
L
1
2
T G
reversed
C
A
.C
L
OT2
Display stabilizes at
9999.
CCW
A
L
1
1
A
L
1
2
T Y
reversed
C
A
.C
L
↓
C
A
.O
P
OT2
OT1
Display increases and
stabilizes.
Display decreases and
stabilizes.
CW
CCW
A
L
1
2
1 2
reversed
C
A
.C
L
OT2
Display stabilizes at
9999.
CW
A
L
1
1
A
L
1
2
1 2
reversed
T G
reversed
C
A
.C
L
↓
C
A
.O
P
OT2
OT1
Display decreases and
stabilizes.
Display stabilizes at
9999.
CW
CCW
A
L
1
2
1 2
reversed
T Y
reversed