List Of Alarm Display - Mitsubishi Electric FR-D720S SC EC Instruction Manual

List of alarm display

7.1 List of alarm display
Operation Panel Indication
Error message
Warnings
Alarm
Fault
Tab. 7-1: List of alarm display (1)
7 - 2
E---
HOLD
LOCD
to Er1 to Er4
Err.
OL
oL
RB
TH
PS
MT
UV
SA
FN
E.OC1
E.OC2
E.OC3
E.OV1
E.OV2
E.OV3
E.THT
E.THM
E.FIN
E.ILF
E.OLT
E.BE
E.GF
Name
Faults history
Operation panel lock
Password locked
Parameter write error
Inverter reset
Stall prevention (overcurrent)
Stall prevention (overvoltage)
Regenerative brake prealarm
Electronic thermal relay function prealarm
PU Stop
Maintenance signal output
Undervoltage
Safety stop
Fan fault
Overcurrent shut-off during acceleration
Overcurrent shut-off during constant speed
Overcurrent shut-off during deceleration or stop
Regenerative over voltage shut-off during
acceleration
Overcurrent shut-off during constant speed
Regenerative over voltage shut-off during
deceleration or stop
Inverter overload shut-off
(electronic thermal relay function)
Motor overload shut-off
(electronic thermal relay function)
Fin overheat
Input phase loss
Stall prevention
Brake transistor alarm detection
Output side earth (ground) fault overcurrent
protection
Troubleshooting
Refer to
Page
7-19
7-4
7-4
7-4
7-5
7-6
7-6
7-7
7-7
7-7
7-7
7-8
7-8
7-8
7-9
7-9
7-10
7-10
7-10
7-11
7-11
7-11
7-12
7-12
7-12
7-13
7-13