Inverter Reset - Mitsubishi Electric FR-A7ND Instruction Manual

INVERTER SETTING
(2) Measures at alarm occurrences
Alarm Indication Alarm Definition
Communication line
E.OP1
error
E.1 Option alarm
When alarms other than the above are displayed, refer to the inverter manual and remove the cause of the alarm.
4.6

Inverter Reset

(1) Operation conditions of inverter reset
Which resetting method is allowed or not allowed in each operation mode is described below.
Reset from the network (Class 0x2A, Instance 1, Attribute 101) (Refer
to page 59)
Connect terminals RES-SD
Switch off inverter power
Inverter reset
Reset from the
PU/DU
Reset at inverter fault
*1 Inverter reset can be made any time.
*2 Reset can be made only when the protective function of the inverter is activated.
CAUTION
1. When a communication line error has occurred, reset cannot be made from the network.
2. The inverter is set to the external operation mode if it has been reset in network operation mode.
To resume the network operation, the inverter must be switched to the network operation mode again.
Set a value other than "0" in Pr. 340 to start in network operation mode. (Refer to page 18.)
3. The inverter can not be controlled for about 1s after release of a reset command .
30
Check the LED status of the option unit and remove the cause of the
alarm. (Refer to page 3 for LED indication status)
Inspect the master.
Check the connection between the inverter and option unit for poor
contact, etc. and remove the cause of the error.
Resetting Method
Measures
Operation Mode
Network External
Operation Operation
Allowed Disallowed
Enabled Enabled
Enabled Enabled
Enabled Enabled
Enabled Enabled
PU
Operation
Disallowed
Enabled
Enabled
Enabled
Enabled