Q 7. DISPLAY
7.1 Alarm display
If failure occurs during operation
of the inverter, an alarm code is displayed.
automatically.
Alarm code
Display Code
Description
E
2c :
EOC 1 Inverter output current exceeded the overcurrent limit during
acceleration.
EcL’z EOCZ
Inverter output current exceeded the overcurrent limit during
constant -speed operation.
E333
EOC3
Inverter output current exceeded the overcurrent limit, during
deceleration.
E”
UUT
EOVT .
Braking regenerative power from motor exceeded the
regenerative overvoltage limt.
UK? ETHM
Electronic thermal relay in the inverter was activated (current
is below 150% of preset current) .
E:fl: ETHT Electronic thermal relay in the inverter was activated (current
is over 150% of preset current) .
E: ?f EIPF Instantaneous power failure protective function was activated.
E$: n EFIN
Temperature of transistor heatsink exceeded the specified limit.
EbE EBE Brake transistor fault detection.
E
nl
c
ULI
EOLT
Stall preventive function was activated during constant -speed
operation and .stopped the motor.
ff’E EPE
Memory in the inverter is corrupted.
E
U” tr EUVT Inverter input voltage fell below the specified limit.
E
c nr E GF
Overcurrent due to earth fault on the inverter output side.
EU”X: EOHT Externally installed thermal relay activated (overheat) .
EU”PT EOPT Built-in optional unit connection failure during operation.
-“rl-
-Jo--
0
0
0
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