Faults History And The List Of Fault Displays - Mitsubishi FR-A846-00023 Instruction Manual

4.3

Faults history and the list of fault displays

For details, refer to the FR-A800 Instruction Manual (Detailed).
Operation panel indication
HOLD
LOCD
to
Er1 to Er4
Er8
to
rE1 to rE4
rE6 to rE8
to
Err.
OL
oL
TH
PS
SL
CF
CP
SA
to MT1 to
MT3
UF
HP1
HP2
HP3
FN
FN2
E.OC1
E.OC2
E.OC3
E.OV1
E.OV2
E.OV3
E.THT
E.THM
E.FIN
E.IPF
Name
Operation panel lock
Password locked
Parameter write error
Copy operation error
Error
Stall prevention
(overcurrent)
Stall prevention
(overvoltage)
Electronic thermal relay
function pre-alarm
PU stop
Speed limit indication
Continuous operation
during communication fault
Parameter copy
Safety stop
Maintenance signal output
USB host error
Home position return
setting error
Home position return
uncompleted
Home position return
parameter setting error
Fan alarm
Internal-circulation fan
alarm
Overcurrent trip during
acceleration
Overcurrent trip during
constant speed
Overcurrent trip during
deceleration or stop
Regenerative overvoltage
trip during acceleration
Regenerative overvoltage
trip during constant speed
Regenerative overvoltage
trip during deceleration or
stop
Inverter overload trip
(electronic thermal relay
function)
Motor overload trip
(electronic thermal relay
function)
Heatsink overheat
Instantaneous power failure
Faults history and the list of fault displays
Operation panel indication
E.UVT
E.ILF
E.OLT
E. SOT
E.GF
E.LF
E.OHT
E.PTC
E.OPT
to
E.OP1 to
E.OP3
to
E.16 to
E.20
E.PE
E.PUE
E.RET
E.PE2
E.CPU
E. 5 to
to
E. 7
E.CTE
E.P24
E.CDO
E.IOH
E.SER
E.AIE
E.USB
E.SAF
E.IAH
E.PBT
E.13
E.OS
E.OSD
E.ECT
E.OD
to
E.MB1 to
E.MB7
PROTECTIVE FUNCTIONS
Name
Undervoltage
Input phase loss
Stall prevention stop
Loss of synchronism
detection
Output side earth (ground)
fault overcurrent
Output phase loss
External thermal relay
operation
PTC thermistor operation
Option fault
Communication option fault
User definition error by the
PLC function
Parameter storage device
fault
PU disconnection
Retry count excess
Parameter storage device
fault
CPU fault
Operation panel power
supply short circuit
24 VDC power fault
Abnormal output current
detection
Inrush current limit circuit
fault
Communication fault
(inverter)
Analog input fault
USB communication fault
Safety circuit fault
Abnormal internal
temperature
Internal circuit fault
Overspeed occurrence
Speed deviation excess
detection
Signal loss detection
Excessive position fault
Brake sequence fault
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