58
Err7
Parameter Setting
Error
1. Attempt to change
Fn_00
or
Fn_96
2. The value in
Fn_96
is far from the
value of detected voltage
1. Refer to 2.3 “Changing control
boards”
2. Check PN voltage circuit
Maintenance Section:
This Inverter requires few routine checks. It will function efficiently and its normal operational
lifetime will be longer if it is kept clean, cool and dry. Periodically check the Inverter for tightness of
electrical connections, discoloration or other signs of overheating.
During service inspection,
turn off the AC main circuit power and wait for the charging indicator LED 101 to extinguish
(for at least 10 minutes) before touching any circuit components. Failure to adhere to this
warning could result in serious or lethal injuries.
(1)
Clean up internal dust and dirt
(2)
Check for tightness of electrical connection.
(3) Perform
Meg
test
(a) Remove all connection wires from the complete unit when performing Meg test.
(b) Meg test only can be applied on main circuit.