Trouble shooting, Followings are not problems

Trouble shooting

Followings are not problems

	Sound of water flowings are	During unit start and operation or at stop, a swishing
	not problems.	or gurgling noise may be heard. This noise is generated
	not problems.	by refrigerant flowing in the system.
		by refrigerant flowing in the system.
	Sound of cracking is heard.	During unit operation, a cracking noise may be heard.
		This noise is generated by the casing expanding or
		shrinking because of temperatuer changes.
	Smells are generated.	This is because the system circulates smells from the
		interior air such as the smell of cigarettes or the
		painting on the unit.
	During operation, white fog or	When unit is running at places like restaurant where
	steam comes out of indoor unit.	dense edible oil fumeis always exist, this will happen.
	In cooling operation, unit switches to fan	To prevent frost from accumulating on indoor heat
	operation.	exchanger, unit will switch to fan operation for a while
	operation.	then resume cooling operation.
		then resume cooling operation.
	Unit will not restart after stop.	Though ON/OFF button is set
	Won't start?	to ON, unit won't resume cooling,
		dry or heating operation
		in 3 min after it is stopped, this
		is because of 3-min-delay
		protection circuit.
		Please wait 3 minutes
	No outlet air or fan speed can't be changed	Unit will reduce fan speed repeatedly and automatically
	in dry mode.	if room temp. is too low in dry operation.
	In heating operation, water or steam are	This occurs when frost accumulated
	blown out of indoor unit.	on the outdoor unit is removed.
		(during defrosting operation)

In heating operation, indoor fan won't stop even if unit is stopped.

After unit stops, indoor fan will go on running until indoor unit cools down.

AP42NACAAA, HPU-42C03, HPU-44H03, 0010571223, AP42NACMAA specifications

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