6.4 Fault History And The List Of Fault Displays - Mitsubishi Electric FR-CC2-N Series Instruction Manual

6.4
Fault history and the list of fault displays
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 the operation panel is displayed. The inverter output is
not shut off.
Operation panel
indication
Operation panel lock
Password locked
Parameter write error
to
Copy operation fault
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
indication
Electronic thermal relay function
pre-alarm
to
Maintenance signal output
 Alarm
• The inverter output is not shut off. An Alarm (LF) signal
can also be output with a parameter setting.
Operation panel
indication
Fan alarm
 Fault
• When a protective function is activated, the inverter
output is shut off and a Fault (ALM) signal is output.
• The data code is used for checking the fault detail via
communication or with Pr.997 Fault initiation.
Operation panel
indication
Overvoltage trip
142
6. PROTECTIVE FUNCTIONS

6.4 Fault history and the list of fault displays

Refer
Name
to page
144
144
144
144
145
Refer
Name
to page
145
145
Refer
Name
to page
145
Data Refer
Name
code to page
32
146
(H20)
Operation panel
indication
Converter overload trip
(electronic thermal relay
function)
Heat sink overheat
Instantaneous power failure
Undervoltage
Input phase loss
External thermal relay
operation
Parameter storage device
fault (control circuit board)
PU disconnection
Retry count excess
Parameter storage device
fault (main circuit board)
CPU fault
Operation panel power
supply short circuit/RS-485
terminals power supply
short circuit
24 VDC power fault
Inrush current limit circuit
fault
Communication fault
(inverter)
Internal circuit fault
Option fault
 Others
• The fault history and the operation status of the converter
unit are displayed. It is not a fault.
Operation panel
indication
Fault history
No fault history
24 V external power supply
operation
Data Refer
Name
code to page
48
146
(H30)
64
146
(H40)
80
146
(H50)
81
146
(H51)
82
147
(H52)
144
147
(H90)
176
147
(HB0)
177
147
(HB1)
178
147
(HB2)
179
147
(HB3)
192
(HC0)
245
(HF5)
148
246
(HF6)
247
(HF7)
193
148
(HC1)
194
148
(HC2)
197
148
(HC5)
198
148
(HC6)
202
(HCA)
149
253
(HFD)
241
149
(HF1)
Refer
Name
to page
140
149
149