Mitsubishi Electric 800 Series Assembly & Installation Manuallines page 46

TROUBLESHOOTING
Operation panel indication Name
Regenerative overvoltage trip
E.OV2
during constant speed
Regenerative overvoltage trip
E.OV3
during deceleration or stop
Inverter overload trip (electronic
E.THT
thermal relay function)
Motor overload trip (electronic
E.THM
thermal relay function)
E.FIN
Heatsink overheat
E.IPF
Instantaneous power failure
E.UVT
Undervoltage
E.ILF
Input phase loss
E.OLT
Stall prevention stop
E.LUP
Upper limit fault detection
E.LDN
Lower limit fault detection
Brake transistor alarm
*1
E.BE
detection
Output side earth fault
E.GF
overcurrent
E.LF
Output phase loss
External thermal relay
E.OHT
operation
E.PTC
PTC thermistor operation
E.OPT
Option fault
E.OP1
Communication option fault
E.OP2
E.OP3
E.16 to
User definition error by the PLC
to
E.20 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
Operation panel power supply
short circuit /
E.CTE
RS-485 terminal power supply
short circuit
E.P24
24V DC power fault
40
Data
Operation panel indication Name
code
33
E.CDO
(H21)
34
(H22)
48
(H30)
49
E.USB
(H31)
64
E.SAF
(H40)
80
(H50)
81
(H51)
82
E.OSD
(H52)
96
E.ECT
(H60)
98
(H62)
99
(H63)
E.MB1 to
to
E.MB7
112
(H70)
128
(H80)
129
(H81)
144
(H90)
145
E.PCH
(H91)
160
(HA0)
161
E.EHR
(HA1)
162
(HA2)
E. 1 to
to
163
(HA3)
164–
168 E. 5 to
to
(HA4–
HA8)
176
(HB0)
177
(HB1)
178
(HB2)
179
(HB3)
192
(HC0)
193
(HC1)
If faults other than the above appear, contact your sales
194
(HC2)
representative.
*1
The built-in brake transistor model only.
*2
For the details, refer to the Ethernet Function Manual.
Abnormal output current
detection
E.IOH
Inrush current limit circuit fault
E.AIE
Analog input fault
USB communication fault
Safety circuit fault
E.PBT
Internal circuit fault
E.OS
Overspeed occurrence
Speed deviation excess
detection
Signal loss detection
E.OD
Excessive position fault
Brake sequence fault
E.EP
Encoder phase fault
External fault during output
E.EF
operation
E.LCI
4 mA input fault
Pre-charge fault
E.PID
PID signal fault
*2
Ethernet communication fault
Option fault
E. 3
CPU fault
E. 7
Opposite rotation deceleration
E.11
fault
E.13
Internal circuit fault
E----
Fault history
E.0
No fault history
24 V external power supply
EV
operation
RD
Backup in progress
WR
Restoration in progress
Data
code
196
(HC4)
197
(HC5)
199
(HC7)
200
(HC8)
201
(HC9)
202
(HCA)
208
(HD0)
209
(HD1)
210
(HD2)
211
(HD3)
213–
219
(HD5–
HDB)
220
(HDC)
224
(HE0)
228
(HE4)
229
(HE5)
230
(HE6)
231
(HE7)
241–
243
(HF1–
HF3)
245–
247
(HF5–
HF7)
251
(HFB)
253
(HFD)
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