MRV Communications AE092FCAKA, AE212FCAKA Trouble Shooting, Following cases are not troubles

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Trouble Shooting

The following cases are not troubles.

Water flow sound is heard.

During operation, the air conditioner may

"Hua-Hua"

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.

This is caused by the thermal expansion

 

 

or cold shrinkage of plastics.

 

 

 

Smells are given off.

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 operation, mist or steam are

During COOL or DRY operation, the unit

blown out.

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.

 

 

 

During COOL operation, it automatically

In order to prevent frost accumulation on

changes to FAN mode.

the heat exchanger in the indoor unit,

 

 

sometimes it will automatically transfers

 

 

to FAN mode, but soon will return to

 

 

COOL mode.

 

 

 

The system couldnt be re-started immediately

This is due to the systems self-protection

after turning off.The unit can't start?

function, which prevents it from restarting

 

 

in 3 min after stops.

 

 

Please wait

 

 

 

 

for 3 min.

 

 

 

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Contents Contents CeilingconcealedtypeairconditionerindoorunitPage DB C AE072FCAKA AE242FCAKA Fig1 Calibration of clock Remote controller Operation of remote controller 20 1.ON/OFF button Clock set Important Points of Safety Smell etc. occurs, stop running Important Points of Safety Recommendations Timer Operation Operating InstructionsTimer ON-OFF Sleep Function Health Function Trouble Shooting Following cases are not troublesSystem couldnt start Is power on/off switched on? When Fault Occurs Poor cooling or heatingPoor cooling Information about application Installation Precautions Installing tools Electrical requirementsInstallation Procedure Figure showing installation dimensions unitmmInstallation of indoor unit Transitive air duct New concrete slab Installation of remote controller Remove upper cover of wire controllerInstallation of receive display Drain pipe RequirementsPipe expansion dimensions as follows Refrigerant pipingPipe cutting and expanding Open all valves Electric wiring Ring terminal connection methodField setting Malfunction Indoor unit malfunction display codeOutdoor unit malfunction display code Indoor unit malfunction Outdoor unit malfunction