Mitsubishi Electric FR-CC2-P, Instruction Manual

Page: 142 / 184

Fault history and the list of fault displays
PROTECTIVE FUNCTIONS
141
6
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 an operational fault and setting fault
by the operation panel is displayed. The inverter output is
not shut off.
 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.

Alarm
• The inverter output is not shut off. An Alarm (LF) signal can
be output with a parameter setting.
 Fault
• A protective function is activated to trip the inverter and
output a Fault (ALM) signal.
• The data code is used for checking the fault via
communication or for setting Pr.997 Fault initiation .
 Others
• The fault history and the operation status of the converter
unit are displayed. It is not a fault.

For the slave, the protective function is not activated.

For the master, the function is not activated.
Operation panel
indication
Name
Refer to
page
Operation panel lock 142
Password locked 142
Parameter write error 142
Parameter write error 142
to
Copy operation error
142
143
Error 143
Operation panel
indication
Name
Refer to
page
Electronic thermal relay
function pre-alarm
143
to
Maintenance timer 1 to 3 143
Emergency drive in operation 144
Operation panel
indication
Name
Refer to
page
Fan alarm 145
Operation panel
indication
Name
Data
code
Refer to
page
Overvoltage trip
32
(H20)
145
Converter overload trip
(electronic thermal
relay function)
48
(H30)
145
Heat sink overheat
64
(H40)
145
Instantaneous power
failure 80
(H50)
146
Undervoltage
81
(H51)
146
Input phase loss
82
(H52)
146
External thermal relay
operation 144
(H90)
146
Parallel operation
slave 1 fault

169
(HA9)
146
Parallel operation
slave 2 fault

170
(HAA)
147
Parameter storage
device fault 176
(HB0)
147
PU disconnection
177
(HB1)
147
Retry count excess
178
(HB2)
147
Parameter storage
device fault 179
(HB3)
147
CPU fault
192
(HC0)
147
245
(HF5)
246
(HF6)
247
(HF7)
Operation panel power
supply short circuit /
RS-485 terminals
power supply short
circuit
193
(HC1)
148
24 VDC power fault
194
(HC2)
148
Inrush current limit
circuit fault 197
(HC5)
148
Communication fault
(inverter) 198
(HC6)
148
Internal circuit fault
202
(HCA)
148
253
(HFD)
Option fault
241
(HF1)
149
Operation panel
indication
Name
Refer to
page
Fault history 139
24 V external power supply
operation
149
Parallel operation slave 1

149
Parallel operation slave 2

149
Operation panel
indication
Name
Data
code
Refer to
page