Haier AC142ACBHA Operation Manual

Haier AC142ACBHA Operation Manual Manual pdf 10 page image

8Before ask for services, please first check your unit against the following.Air conditioner won't start.Poor cooling or heatingIs power supply switchturned on?Power supplyswitch is notset at ON.Is city power supply normal? Is leakage current breakeractivated?This is very dangerous, pleasedisconnect power supplyimmediately and contact yourdealer.Are operation controladjusted correctlyas specified?Is air filter too dirty? Are there any obstacles in inletor outlet grill?Are horizontal louvers atup position (in heatingmode)?Any doors or windows leftopen?Is there any direct sunlightin the room?If there are unexpected heatsources in the room?Too many people in the room?Poor coolingIs air conditioner in standbycondition in heating mode?Cold air blows out(in heating mode) If your unit still can't work properly after above mentionedchecks, or following problems occur, please stop it immediatelyand contact your dealer.Fuses or circuit breakers often blow out.Water comes out in cooling/dry operation.Operation is abnormal or sound is heard.Powerfailure?PropertempTROUBLE SHOOTING