Inverter Replacement - Mitsubishi Electric FR-F740 EC Instruction Manual

Inspection
8.1.8

Inverter replacement

The inverter can be replaced with the control circuit wiring kept connected. Before replacement,
remove the wiring cover of the inverter.
WARNING:
P
Before starting inverter replacement, switch power off, wait for at least 10 minutes,
and then check the voltage with a tester and such to ensure safety.
Loosen the two installation screws in both ends of the control circuit terminal block. (These
screws cannot be removed.) Pull down the terminal block from behind the control circuit
terminals.
Fig. 8-13: Removal of the terminal block
Using care not to bend the pins of the inverter's control circuit connector, reinstall the control
circuit terminal block and fix it with the mounting screws.
Fig. 8-14: Reinstallation of the terminal block
8 - 16
Maintenance and inspection
I001310E
I001310E