Samsung AE044MXTPEH Service Manual

Also see for AE090MNYDEH: User manual User manual Installation manual Service manual

Troubleshooting90Samsung Electronics4-6-11 In case of heating at the cooling mode or cooling at the heating mode1. Troubleshooting procedureChange the setting temperature ofremote control.Operate it with a heating modeas soon as the defrosting is shed.After 3 minutes, coolingand heating start automatically.NoNoNoYesYesYesIs the Thermo ?Is the unitin the defrosting operation?Is the compressorin 3 minutesCheck the resistance valueof 4-WAY valve coil.Go to the next page 4-WAY valve main body errorAttach thesensor correctly.Over shortageof the refrigerantConnect the connectercorrectly.4-WAY valve coil errorExchangethe outdoor PCB.NoYesYesYesOKYesNoNoNoNGNoIs much frostin the indoor heatexchanger?Does the4-WAY valve operatenormally?Is theoutdoor air sensor andoutdoor heat exchanger attachedcorrectly?Is the4-WAY valve connectorconnected correctly?Dose thevoltage of AC220Vapply to the connector of 4-WAYvalve coil during theoperation?4-16Troubleshooting* Normal resistance value of 4 way valve coil : 1.5±0.15㏀ (at 20℃)4-6-11