Mitsubishi 840 Series Specifications download pdf (Page 49)

43

TROUBLESHOOTING

7.2 List of alarm display

Operation Panel

Indication

Name

Data

code

Error message

E - - - -

Faults history

—

HOLD

Operation panel lock

—

LOCD

Password locked

—

Er1 to

Er4

Er8

Parameter write error

—

rE1 to

rE4

rE6 to

rE8

Copy operation error

—

Err.

Error

—

Warning

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

—

SA

Safety stop

—

UF

USB host error

—

EV

24 V external power supply

operation

—

HP1

Home position return setting

error

—

HP2

Home position return

uncompleted

—

HP3

Home position return

parameter setting error

—

Alarm

FN

Fan alarm

—

Fault

E.OC1

Overcurrent trip during

acceleration

16

(H10)

E.OC2

Overcurrent trip during

constant speed

17

(H11)

E.OC3

Overcurrent trip during

deceleration or stop

18

(H12)

E.OV1

Regenerative overvoltage trip

during acceleration

32

(H20)

E.OV2

Regenerative overvoltage trip

during constant speed

33

(H21)

E.OV3

Regenerative overvoltage trip

during deceleration or stop

34

(H22)

E.THT

Inverter overload trip (electronic

thermal relay function)

48

(H30)

E.THM

Motor overload trip (electronic

thermal relay function)

49

(H31)

E.FIN

Heatsink overheat

64

(H40)

E.IPF

Instantaneous power failure

80

(H50)

E.UVT

Undervoltage

81

(H51)

E.ILF

Input phase loss

82

(H52)

E.OLT

Stall prevention stop

96

(H60)

E. SOT

Loss of synchronism

detection

97

(H61)

to

to

to

to

Fault

E.BE

Brake transistor alarm

detection

112

(H70)

E.GF

Output side earth fault

overcurrent

128

(H80)

E.LF

Output phase loss

129

(H81)

E.OHT

External thermal relay

operation

144

(H90)

E.PTC

PTC thermistor operation

145

(H91)

E.OPT

Option fault

160

(HA0)

E.OP1

Communication option fault

161

(HA1)

E.PE

Parameter storage device

fault

176

(HB0)

E.PUE

PU disconnection

177

(HB1)

E.RET

Retry count excess

178

(HB2)

E.PE2

Parameter storage device

fault

179

(HB3)

E.CTE

Operation panel power

supply short circuit

RS-485 terminal power

supply short circuit

193

(HC1)

E.P24

24V DC power fault

194

(HC2)

E.CDO

Abnormal output current

detection

196

(HC4)

E.IOH

Inrush current limit circuit

fault

197

(HC5)

E.SER

Communication fault

(inverter)

198

(HC6)

E.AIE

Analog input fault

199

(HC7)

E.USB

USB communication fault

200

(HC8)

E.SAF

Safety circuit fault

201

(HC9)

E.OS

Overspeed occurrence

208

(HD0)

E.OSD

Speed deviation excess

detection

209

(HD1)

E.ECT

Signal loss detection

210

(HD2)

E.OD

Excessive position fault

211

(HD3)

E.MB1 to

E.MB7

Brake sequence fault

213–

219

(HD5–

HDB)

E.EP

Encoder phase fault

220

(HDC)

E.LCI

4mA input fault

228

(HE4)

E.PCH

Pre-charge fault

229

(HE5)

E.PID

PID signal fault

230

(HE6)

E. 1 to

E. 3

Option fault

241–

243

(HF1–

HF3)

E. 5 to

E. 7

E.CPU

CPU fault

245–

247

(HF5–

HF7)

192

(HC0)

E.11

Opposite rotation

deceleration fault

251

(HFB)

E.13

E.PBT

Internal circuit fault

253

(HFD)

202

(HCA)

E.16 to

E.20

User definition error by the

PLC function

164–

168

(HA4–

HA8)

Operation Panel

Indication

Name

Data

code

to

to

to

to

1 2 ... 44 45 46 47 48 49 50 51 52 53 54 ... 57 58

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