Haier au55nfuaha Benutzerhandbuch

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Phenomenon
Causes
Non-fault
White frost blowing off or
water overflowing
Gives off loud noise
Fan of outdoor unit stop automatically and defrosting
operates
The voice of electromagnetic valve operation whenever
defrosting starts or ends.
Water-flowing sound during operating and after
operation stops. Operating sound shall get louder during
the first 2-3 minutes after operation starts. This is the
sound of refrigerant circulation and cooled water
drainage.
Noise may occur during operation due to heat expansion
and cool shrinkage of the heat exchanger.
Failed to reach rated cool
or heat producing effect
Check if cool producing and heat producing are set
simultaneously and if liquid crystal indicator of remote
controller is showing "on-call".
Occasions needs
further check
Auto run or turn off
Check if remote controller is set at the mode to run or
turn off at certain time.
Failed into operation
Failed into operation
Check if power cut occurs
Check if power switch is turned off
Check if fuse or breaker is burned out (it shall be repaired
by qualified personnel with certification)
Check if protection set is into operation. (whenever
indicator light of remote controller is on). "Self-check"
indicator light of remote controller shall blink.
Failed to reach rated cool
or heat producing effect
Check if inlet or outlet of outdoor unit is blocked.
If any door or window is not closed.
If dust accumulated on the air filter of indoor unit (power
switch shall be turned off and air filter be cleaned on
such occasion)
If wind board is at proper situation (adjust its location)
If wind volume is set at "breeze" and the operation status
is at "sending wind"
If the temperature set is correct.
Power switch shall be turned off and operation be stopped if the following listed occurs. Please contact
with after-sale service personnel.
Key operation is not proper.
Fuse and breaker are burned out.
Eyewinker or water comes enter the electrical box.
All causes of protection unit are eliminated and air-conditioner fails to run again.
Other abnormity occurs.
Troubleshooting
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