6-2
Quick reference table of alarm codes
Alarm code Name Refer to Alarm code Name Refer to
0c1
0h4
PTC thermistor for motor
protection
p.6-13
0c2
dbh
Overheat protection for
braking resistor
p.6-14
0c3
Overcurrent protection p.6-9
0l1
Electronic thermal overload
relay
p.6-14
0u1
0lu
Overload protection p.6-15
0u2
er1
Memory error p.6-15
0u3
Overvoltage protection p.6-10
er2
Remote keypad
communications error
p.6-16
lu
Undervoltage protection p.6-10
er3
CPU error p.6-16
lin
Input phase loss protection p.6-11
er6
Operation protection p.6-17
0pl
Output phase loss protection p.6-12
er8
RS-485 communications
error
p.6-17
0h1
Overheat protection for heat
sink
p.6-12
0h2
External alarm input p.6-13
erf
Data save error during
undervoltage
p.6-18
(Note) An under bar ( _ _ _ _ ) will be displayed when an undervoltage condition is detected and a run
command is present while the setting of F14 (Restart mode after momentary power failure (function
selection)) is not “0.”
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