Mitsubishi Electric 800 Series Installation Manualline page 40

TROUBLESHOOTING
6.3 List of fault displays
Operation
panel Name
indication
LOCD
Password locked
Er1 to Er4
Parameter write error
Er8
rE1 to rE4
Copy operation error
rE6 to rE8
Err.
Error
OL
Stall prevention (overcurrent)
oL
Stall prevention (overvoltage)
TH
Electronic thermal relay function pre-alarm
PS
PU Stop
MT1 to MT3 Maintenance signal output
Continuous operation during
CF
communication fault
SA
Safety stop
UF
USB host error
ED
Emergency drive in operation
LDF
Load fault warning
EHR
Ethernet communication fault
FN
Fan alarm
FN2 Internal-circulation fan alarm
E.OC1
Overcurrent trip during acceleration
E.OC2
Overcurrent trip during constant speed
E.OC3
Overcurrent trip during deceleration or stop
Regenerative overvoltage trip during
E.OV1
acceleration
Regenerative overvoltage trip during
E.OV2
constant speed
Regenerative overvoltage trip during
E.OV3
deceleration or stop
Inverter overload trip (electronic thermal relay
E.THT
function)
Motor overload trip (electronic thermal relay
E.THM
function)
E.FIN
Heatsink overheat
E.IPF
Instantaneous power failure
E.UVT
Undervoltage
E.ILF Input phase loss
E.OLT Stall prevention stop
E. SOT Loss of synchronism detection
E.LUP
Upper limit fault detection
E.LDN
Lower limit fault detection
E.BE
Brake transistor alarm detection
E.GF
Output side earth fault overcurrent
34
Operation
Data
panel Name
code
indication
—
E.LF Output phase loss
—
E.OHT External thermal relay operation
—
E.PTC PTC thermistor operation
—
E.OPT
Option fault
—
E.OP1
Communication option fault
—
—
E.16 to E.20 User definition error by the PLC function
—
—
E.PE Parameter storage device fault
—
E.PUE PU disconnection
—
—
E.RET Retry count excess
—
E.PE2 Parameter storage device fault
—
E.CPU
— CPU fault
—
E.CTE
Operation panel power supply short circuit
—
E.P24
24 V DC power fault
16
(H10)
E.CDO
Abnormal output current detection
17
(H11)
E.IOH
Inrush current limit circuit fault
18
(H12)
E.AIE
Analog input fault
32
(H20)
E.USB
USB communication fault
33
(H21)
E.SAF
Safety circuit fault
34
(H22)
E.PBT
Internal circuit fault
48
(H30)
E.OS
Overspeed occurrence
49
(H31)
E.IAH
Abnormal internal temperature
64
(H40)
E.LCI
4 mA input fault
80
(H50)
E.PCH
Pre-charge fault
81
(H51)
E.PID
PID signal fault
82
(H52)
E.EHR
Ethernet communication fault
96
(H60)
E. 1 to
97
Option fault
(H61)
E. 3
98
(H62)
E. 5 to
CPU fault
99
E. 7
(H63)
112
E.13 Internal circuit fault
(H70)
128
If faults other than the above appear, contact your sales
(H80)
representative.
Data
code
129
(H81)
144
(H90)
145
(H91)
160
(HA0)
161
(HA1)
164–
168
(HA4–
HA8)
176
(HB0)
177
(HB1)
178
(HB2)
179
(HB3)
192
(HC0)
193
(HC1)
194
(HC2)
196
(HC4)
197
(HC5)
199
(HC7)
200
(HC8)
201
(HC9)
202
(HCA)
208
(HD0)
225
(HE1)
228
(HE4)
229
(HE5)
230
(HE6)
231
(HE7)
241–
243
(HF1–
HF3)
245–
247
(HF5–
HF7)
253
(HFD)