Haier AD842AHEAA Troubleshooting, Unit fails to start, Cooling or heating is not sufficient

Models: AU84NATEAA AD842AHEAA

1 28
Download 28 pages 52.78 Kb
Page 10
Image 10
Troubleshooting

Troubleshooting

Please check the following things about your air conditioner before making a service call.

Unit fails to start

Is the power source switch adjust cut in?

ON

OFF

Power supply switch is not ON.

Is city supply power in normal?

Power stoppage?

Isn't the signal receiving section exposed to the direct sunlight or strong illumination?

Isn't the earth leakage breaker in action?

It is dangerous. Turn off the power supply switch immediately and contact the sales dealer.

Cooling or heating is not sufficient

Is the thermostat adjust as

Isn't the air filter dirty?

 

Isn't any doors or windows

Doesn't any obstacle exist at

required?

 

 

left open?

the air inlet or outlet?

 

 

 

 

 

 

Isn't the swing louver horizontal? (At HEATING mode)

 

 

 

 

If swing louver is horizontal, the blow wind does not reach floor.

 

 

 

 

 

 

 

 

 

 

 

 

 

Cooling

is not sufficient

 

 

Isn't sun-shine invading direct?

Isn't any unexpected heating load generated?

Isn't the room much crowded?

The wind does not blow during heating operation

Isn't it warming up?

When the air conditioner does not operate properly after you have checked the above mentioned items or when the following phenomenon is observed, stop the operation of the air conditioner and contact your sales dealer.

Unit fails to start The fuse or breaker often shuts down.

Cooling or heating is not sufficient Water drops off during cooling operation.

Cooling There is a irregularity in operation or abnormal sound is audible.

is not sufficient When the CHECK lamp (red) flickers, an irregularity has occurred in the air conditioner.

Note:

This unit has a function of automatic restart system after recovering power stoppage. Please contact the sales dealer if it is not required.

9

Page 10
Image 10
Haier AD842AHEAA, AU84NATEAA operation manual Troubleshooting, Unit fails to start, Cooling or heating is not sufficient