Sanyo Sanyo Split System Air Conditoner Troubleshooting, Check before and after troubleshooting

9. TROUBLESHOOTING

9-1. Check before and after troubleshooting

WARNING

Hazardous voltage can cause ELECTRIC SHOCK or DEATH. Disconnect power or turn off circuit breaker before you start checking or servicing.

9-1-1. Check power supply wiring.

Check that power supply wires are correctly connected to terminals L and N on the terminal plate in the outdoor unit.

INDOOR		OUTDOOR
UNIT	Inter-unit wiring	UNIT
Terminal		Terminal
1		1
2		2
3	Grounding line	3

LL

Power supply	N
Single-phase 220-240VAC 50Hz N

Grounding line

9-1-2. Check inter-unit wiring.

Check that inter-unit wiring is correctly connected between indoor unit and outdoor unit.

9-1-3. Check power supply.

Check that voltage is in specified range (+/–10% of the rating).

Check that power is being supplied.

9-1-4. 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 firmly connected.

Check that wiring is correct.

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