Haier HLP21N Service Manual

Also see for HLP21N: User manual Energy guide Installation and user manual User manual

Contents

Haier HLP21N Service Manual Manual pdf 19 page image

6-3 Trouble-shooting chartsIf you replace the computer sequencer without checking the other componentscarefully, the computer sequencer may be damaged again. Therefore, please firstcheck if the other components working normally before replacing the sequencer in6-3-1 No action(The indicator is off)Confirm that there's no power failure,and the power plug is inserted reliably.The power switch is at "On" mode.Measure thevoltage of the two ends of thepower input of the sequencerMeasurethe resistancebetween the inner terminal of theblue wire connected to the red twin-coreplastic part of the wire unitand the powerMeasurethe resistancebetween the blue wire innerterminal connected to the red twin-coreplastic part of the wire unit and theblue wire (connecting topower cord)Measurethe resistancebetween the blue single-coreplastic part inner terminal of the wire unitand the brown wire(connecting topoweReplace the sequencerReplacethe power cordReplace the wire unitReplace the wire unitThe resistance is 0The resistance is 0The resistanceis 0infiniteinfiniteinfinitePull off the power plug Not existNYExistYNReplace the fuseConnect the fuse and thewires of the two endsCheck if the fuse is burntCheck if theconnection between the fuseand the wires of the two ends arewellAt the same time please check ifthe other electric components are-19-Service ManualModel No: HLP21NIssueRev.