Haier AC422AFERA installation manual Trouble Shooting, Followings are not problems

Models: AC422AFERA

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 Trouble Shooting

Followings are not problems Trouble Shooting

Followings are not problems

Sound of water flowing is

During unit operation or at stop, a swishing or

not a problem.

gurgling noise may be heard. This noise is generated

 

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 temperature changes.

Smell are generated.

This is because the system circulates smells from the

 

interior air such as the smell of cigarettes or the

 

painting on the furniture.

During operation, white fog or steam

When unit is running at places like restaurant, etc. where

comes out from the indoor unit.

dense edible oil fumes always exist, this will happen.

In cooling operation, unit switches to

To prevent frost from accumulating on indoor heat

blowing operation.

exchanger, unit will switch to blowing operation for a

 

while then resume cooling operation.

Unit will not restart after stop.

Though ON/OFF button is set

 

to ON, unit won't resume cooling,

Won't start?

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 outdoor unit.

on the outdoor unit is removed.

 

(during defrosting operation)

In heating operation, indoor fan won't stop

After unit stop, indoor fan will go on running

even if unit is stopped.

until indoor unit cools down.

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Haier AC422AFERA installation manual Trouble Shooting, Followings are not problems