Samsung MH026FPEA Training Manual

Also see for MH026FKEA: User manual User manual Installation manual Service manual Service manual

97Samsung ElectronicsTroubleshooting8-3-4 When the fan of indoor unit does not operate1. Checklist :1) Is the power voltage normal?2) Is the connector of indoor fan with the good contact? (CN72)3) Is the soldering status of running condenser (CR71) with the good contact?4) Is connector of the Hall IC with the good contact (CN44)?5) Is the indoor fan rotating when it is under operation mode?2. Troubleshooting procedurePut the power off and put it on after 5 seconds.Replace the indoor unit PCB Ass'y due to theMicom defect.Replacement of indoor unitfan motor.Is the operation icon( ) lampflickering with the sound of "ting"?Is the type of MICOM (IC04)pin #48 old type ? 120HzError(Error Code : E3)occurs after the indoorunit fan motor is rotatingfor 15 seconds?YesYesYesNoYesYesYesNoNoNoNoNoYesYesIs the pin #15 of IC07(ULN2003A)the old type?Is the pin #17 of MICOM theold type?120HzIf the power is not available (indoor unit),refer to page 96.Replace of indoor unit PCB Ass'y.Replace the IC07(ULN2003A) andSS71(G3MB202PL or AQG22212)Replace Q501(2SC2412K)If the operation/stop button of the remotecontrol is pressed, is the operation lamp( ) andthen is the indoor fan rotating after 5~6 seconds?Is AC 120V and higher shown across the indoor fanconnector (CN72) ?