List Of Fault Displays - Mitsubishi Electric FR-A800 Series Instruction Manual

6.4

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 and the parameter unit is
displayed. The inverter output is not shut off.
Operation panel
indication
to
to
 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
to
776
6. PROTECTIVE FUNCTIONS
6.4 List of fault displays
Downloaded from ManualsNet.com
Name
Operation panel lock
Password locked
Parameter write error
Copy operation fault
Error
Name
Stall prevention (overcurrent)
Stall prevention (overvoltage)
Regenerative brake pre-alarm
Electronic thermal relay function
pre-alarm
PU stop
Speed limit indication
Parameter copy
Safety stop
Maintenance signal output
USB host error
Home position return setting error
Home position return uncompleted
Home position return parameter
setting error
search engine
Operation panel
indication
 Alarm
• The inverter output is not shut off. An Alarm (LF) signal
can also be output with a parameter setting.
Refer
to page
Operation panel
779
indication
779
779,
 Fault
780
• When a protective function is activated, the inverter
output is shut off and a Fault (ALM) signal is output.
780,
• The data code is used for checking the fault detail via
781
communication or with Pr.997 Fault initiation.
781
 Data code 16 to 199
Operation panel
indication
Refer
to page
782
782
782
783
783
783
783
783
784
784
784
784
784
Name
Continuous operation during
communication fault
Load fault warning
Name
Fan alarm
Internal fan alarm
Data
Name
code
Overcurrent trip during 16
acceleration (H10)
Overcurrent trip during 17
constant speed (H11)
Overcurrent trip during 18
deceleration or stop (H12)
Regenerative overvoltage 32
trip during acceleration (H20)
Regenerative overvoltage 33
trip during constant speed (H21)
Regenerative overvoltage
34
trip during deceleration or
(H22)
Inverter overload trip
48
(electronic thermal relay
(H30)
Motor overload trip 49
(electronic thermal relay (H31)
64
Heat sink overheat
(H40)
80
Instantaneous power failure
(H50)
81
Undervoltage
(H51)
82
Input phase loss
(H52)
96
Stall prevention stop
(H60)
Loss of synchronism 97
detection (H61)
98
Upper limit fault detection
(H62)
99
Lower limit fault detection
(H63)
Refer
to page
784
784
Refer
to page
785
785
Refer
to page
785
786
786
787
787
787
787
788
788
788
789
789
789
790
790
790