Alarm And Measures - Mitsubishi Electric FR-A5NPA Instruction Manual

3.4.2 Alarm and measures

(1) The inverter operates as follows at alarm occurrences
Fault
Status
Location
Inverter operation
Inverter
alarm
Data communication
Commu-
Inverter operation
nication
line alarm
Data communication
Communi-
cation
option con-
nection
fault
Option
itself
FR-A5NPA
alarm
(2) Measures at alarm occurrences
Alarm Indication Alarm Definition
E. OP3
E. 3
When alarms other than the above are displayed, refer to the inverter
manual and remove the cause of the alarm.
PU operation
Inverter trip
Continued
Continued
Inverter trip
Inverter (Depends on
operation the Pr. 502
setting)
Data
commu- Continued
nication
Inverter
Continued
operation
Data
commu-
nication
Check the LED states of the option unit (FR-
A5NPA) and remove the cause of the alarm.
Communication
(Refer to page 2 for the LED indication
line alarm
status.)
Check the Profibus master module.
Check the connection between the inverter
and option unit (FR-A5NPA) for poor
Option alarm
contact, etc. and remove the cause of the
alarm.
INVERTER SETTING
Operation Mode
External
operation
Inverter trip
Continued
Continued
Stop Stop
Inverter trip
(Depends on
the Pr. 502
setting)
Continued
Continued
Stop Stop
Measures
23
Network
operation
Inverter trip
Continued
Inverter trip
(Depends on
the Pr. 502
setting)
Stop
Inverter trip
(Depends on
the Pr. 502
setting)
Continued
Inverter trip
(Depends on
the Pr. 502
setting)
Stop