List of fault displays
21
6.2
List of fault displays
For information on any fault indications other than those shown in the
table, refer to the Instruction Manual (Detailed) of the FR-A800
inverter.
Operation panel indication
Name
Error
mes
sage
HOLD
Operation panel lock
LOCD
Password locked
Er1 to Er4
Er8
Parameter write error
to
rE1 to rE8
Copy operation error
Err.
Error
Wa
rn
in
g
OL
Stall prevention (overcurrent)
oL
Stall prevention (overvoltage)
RB
Regenerative brake pre-alarm
TH
Electronic thermal relay function
pre-alarm
PS
PU stop
MT1 to MT3 Maintenance signal output
CP
Parameter copy
SL
Speed limit indication
CF
Continuous operation during
communication fault
SA
SA
UF
USB host error
LDF
Load fault warning
Al
arm
FN
Fan alarm
Fa
ult
E.OC1
Overcurrent trip during
acceleration
E.OC2
Overcurrent trip during constant
speed
E.OC3
Overcurrent trip during
deceleration or stop
E.OV1
Regenerative overvoltage trip
during acceleration
E.OV2
Regenerative overvoltage trip
during constant speed
E.OV3
Regenerative overvoltage trip
during deceleration or stop
E.THT
Inverter overload trip (electronic
thermal relay function)
E.THM
Motor overload trip (electronic
thermal relay function)
E.FIN
Heat sink overheat
E.IPF
Instantaneous power failure
E.UVT
Undervoltage
E.ILF
Input phase loss
E.OLT
Stall prevention stop
E.GF
Output side earth (ground) fault
overcurrent
E.LUP
Upper limit fault detection
E.LDN
Lower limit fault detection
to
to
Fault
E.LF
Output phase loss
E.OHT
External thermal relay operation
E.PTC
PTC thermistor operation
E.OPT
Option fault
to E.OP1 to
E.OP3
Communication option fault
E. 1 to E. 3
Option fault
E.PE
Parameter storage device fault
E.PUE
PU disconnection
E.RET
Retry count excess
E.PE2
Parameter storage device fault
to
E. 5 to E. 7
E.CPU
CPU fault
E.CTE
Operation panel power supply
short circuit/RS-485 terminals
power supply short circuit
E.P24
24 VDC power fault
E.CDO
Abnormal output current detection
E.IOH
Inrush current limit circuit fault
E.SER
Communication fault (inverter)
E.AIE
Analog input fault
E.OS
Overspeed occurrence
E.ECT
Signal loss detection
E.MB1 to
E.MB7
Brake sequence fault
E.EP
Encoder phase fault
E.EF
External fault during output
operation
E. BE
Brake transistor alarm detection
E. USB
USB communication fault
E.13
E.PBT
Internal circuit fault
E.SAF
Safety circuit fault
E.LCI
4 mA input fault
E.PCH
Pre-charge fault
E.PID
PID signal fault
to
E.16 to E.20
User definition error by the PLC
function
Oth
ers
E- - - -
Fault history
E.0
No fault history
EV
24 V external power supply
operation
RD
Backup in progress
WR
Restoration in progress
Operation panel indication
Name
to
to
