Service manual

35
(c)Check power supply
•Check that voltage is in specified range (±10% of the rating).
•Check that power is being supplied
(d)Check lead wires and connectors in indoor and outdoor units.
•Check that coating of lead wires is not damaged.
•Check that lead wires and connectors are connected firmly.
•Check that wiring is correct.
L1
L2
L3
N
400V
400V
230 V400V
L
N
230V
Single-phase systems
Three-phase systems