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