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Quick reference table of alarm codes
Alarm code
OC1
OC2
Overcurrent protection
OC3
OU1
OU2
Overvoltage protection
OU3
LU
Undervoltage protection
L
Input phase loss protection
Output phase loss
OPL
protection
Overheat protection for heat
OH1
sink
OH2
External alarm input
Name
Refer to Alarm code
p.6-9
p.6-10
p.6-10
p.6-11
p.6-12
p.6-12
p.6-13
PTC thermistor for motor
OH4
protection
Overheat protection for
dbH
braking resistor
Electronic thermal overload
OL1
relay
OLU
Overload protection
E 1
Memory error
Remote keypad
E 2
communications error
E 3
CPU error
E 6
Operation protection
RS485 communications
E 8
error
Data save error during
E F
undervoltage
6-2
Name
Refer to
p.6-13
p.6-14
p.6-14
p.6-15
p.6-15
p.6-16
p.6-16
p.6-17
p.6-17
p.6-18
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