Mitsubishi Electric FR-A800 Series Beginner's Manual page 69

Protective and diagnostics functions
Classification
Fault
Frequency Inverters - Beginner's Guide
Inverter Display
FR-A800
List of alarm displays
Meaning
Plaintext
Regenerative overvoltage shut-off
E.OV1
during acceleration
Regenerative overvoltage shut-off
E.OV2
during constant speed
Regenerative overvoltage shut-off
E.OV3
during deceleration or stop
Inverter overload shut-off
E.THT
(electronic thermal relay function)
Motor overload shut-off (electronic
E.THM
thermal relay function)
E.FIN Fin overheat
Instantaneous power failure
E.IPF
Undervoltage
E.UVT
Input phase failure
E.ILF
E.OLT Stall prevention
E.SOT Loss of synchronism detection
Brake transistor alarm detection
E.BE
Output side earth (ground) fault
E.GF
overcurrent
E.LF Output phase failure
E.OHT External thermal relay operation
E.PTC PTC thermistor operation
E.OPT Option alarm
E.OP1 Communication option alarm
E.16
User definition error by the PLC
to
function
E.20
E.PE Parameter storage device alarm
E.PUE PU disconnection
E.RET Retry count excess
E.PE2 Parameter storage device alarm
E.5
E.6
CPU error
E.7
E.CPU
Operation panel power supply
short circuit
E.CTE
RS-485 terminal power supply
short circuit
E.P24 24 V DC power output short circuit
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