MRV Communications AE092FCAKA Manuel d'instructions télécharger pdf (Page 18)

Trouble Shooting

The following cases are not troubles.

During operation, the air conditioner may

sometimes exhibit a sound of "clatter" or

"rumble". This is the common sound of

refrigerant flow but not a trouble.

A sound of "Pi-Pa" is generated.

Smells are given off.

During operation, mist or steam are

blown out.

During COOL operation, it automatically

changes to FAN mode.

The system couldnt be re-started immediately

after turning off.The unit can't start?

This is caused by the thermal expansion

or cold shrinkage of plastics.

Sometimes there are smells in the air flow

from the indoor unit. This is caused by the

smell of cigarettes or paint coatings inside

the unit.

During COOL or DRY operation, the unit

may blow out a thin mist. This is the con-

densate water mist caused by sudden co-

oling of the indoor air blown out from the

indoor unit.

In order to prevent frost accumulation on

the heat exchanger in the indoor unit,

sometimes it will automatically transfers

to FAN mode, but soon will return to

COOL mode.

This is due to the systems self-protection

function, which prevents it from restarting

in 3 min after stops.

Please wait

for 3 min.

"Hua-Hua"

Water flow sound is heard.

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MRV Communications AE092FCAKA Manuel d'instructions Page 18