Haier HPU-42CF03 operation manual When problems occur, Errors display

When problems occur

1. Errors display

Inspection display	Contents of breakdown
The "Power" light flashes once	Room temp. sensor abnormal
The "Power" light flashes twice	Indoor coil temp. sensor abnormal
The "Power" light flashes sixteen times	Outdoor low pressure or compressor discharge
	temperature abnormal
The "Power" light flashes four times	Outdoor defrosting sensor abnormal (Heat pump unit)

2. Power supply

The parameter of power cord is over 2.5mm2x5.

The parameter of connect cord is 0.75mm2x4 .

Air conditioner must use an exclusive line (over 30A)

When installation air conditioner in a wet place, try to use a circuit breaker against current leakage.

For installation in other places, use circuit breaker as far as possible.

The breaker of the air conditioner should be all-pole switch ; and the distance between its two contacts should be no less than 3 mm.

Such means for disconnection must be incorporation in the fixed wiring

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