List Of Fault Indications - Mitsubishi Electric FR-CS82S-025 Instruction Manual

6.4

List of fault indications

If the displayed message does not correspond to any of the
following or if you have any other problem, contact your sales
representative.
 Error message
• A message regarding operational fault and setting fault
by PU is displayed. The inverter output is not shut off.
Operation panel Name
indication
Operation panel lock
Password locked
to
Parameter write error
Error
 Warning
• The inverter output is not shut off even when a warning is
displayed. However, failure to take appropriate measures
will lead to a fault.
Operation panel Name
indication
Stall prevention (overcurrent)
Stall prevention (overvoltage)
Electronic thermal O/L relay pre-
alarm
PU stop
Undervoltage
Inrush current limit resistor overheat
 Fault
• A protective function is activated, the inverter output is
shut off, and the fault (ALM) signal is output.
Operation panel Name
indication
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
210
6. PROTECTIVE FUNCTIONS
6.4 List of fault indications
Operation panel
indication
Refer
to page
211
211
211
212
Refer
to page
212
213
213
213
213
213
If faults other than the above appear, contact your sales
representative.
Data Refer
Code to page
16
214
(H10)
17
214
(H11)
18
214
(H12)
32
215
(H20)
33
215
(H21)
34
215
(H22)
Name Data
Code
Inverter overload trip
48
(electronic thermal O/L (H30)
Motor overload trip
49
(electronic thermal O/L (H31)
64
Heatsink overheat
(H40)
81
Undervoltage
(H51)
82
Input phase loss
(H52)
96
Stall prevention stop
(H60)
Output side earth (ground) 128
fault overcurrent (H80)
129
Output phase loss
(H81)
External thermal relay 144
operation (H90)
176
(HB0)
Parameter storage device
fault
179
(HB3)
177
PU disconnection
(HB1)
178
Retry count excess
(HB2)
192
(HC0)
CPU fault
245
(HF5)
Abnormal output current 196
detection (HC4)
Inrush current limit circuit 197
fault (HC5)
228
4 mA input fault
(HE4)
250
Inverter output fault
(HFA)
Refer
to page
215
216
216
216
217
217
217
217
217
218
218
218
218
218
219
219