Mitsubishi Electric fr-e700 series, Instruction Manual

Page: 530 / 608

List of alarm display Troubleshooting
7 - 2
7.1 List of alarm display
Operation Panel Indication Name
Refer to
Page
Error message
E--- Faults history 7-21
HOLD Operation panel lock 7-4
LOCd Password locked 7-4
to Er1 to Er4 Parameter write error 7-4
Err. Inverter reset 7-5
Warning
OL Stall Prevention (overcurrent) 7-6
oL Stall prevention (overvoltage) 7-6
RB Regenerative brake prealarm 7-7
TH Electronic thermal relay function prealarm 7-7
PS PU Stop 7-7
MT Maintenance signal output 7-7
UV Undervoltage 7-8
SA Safety Stop 7-8
Alarm FN Fan fault 7-8
Fault
E.OC1 Overcurrent shut-off during acceleration 7-9
E.OC2 Overcurrent shut-off during constant speed 7-9
E.OC3 Overcurrent shut-off during deceleration or stop 7-9
E.OV1
Regenerative over voltage cut-off during
acceleration
7-10
E.OV2 Overcurrent cut-off during constant speed 7-10
E.OV3
Regenerative over voltage shut-off during
deceleration or stop
7-10
E.THT
Inverter overload shut-off
(electronic thermal relay function)
7-11
E.THM
Motor overload shut-off
(electronic thermal relay function)
7-11
E.FIN Heatsink overheat 7-12
E.ILF
햲
,
햳
Input phase failure 7-12
E.OLT Stall prevention 7-12
E.BE Brake transistor alarm detection 7-13
E.GF
Output side earth (ground) fault overcurrent
protection
7-13
Tab. 7-1: List of alarm display (1)