Troubleshooting SiBE811001EB211 CONVENI-PACK8.4.32 Error Related to High Pressure SwitchError Code H3ApplicableModelsLRYEQ16AY1Method of ErrorDetectionDetect continuity in the high pressure switch in the protective device circuit.Error DecisionConditionsWhile the compressor stops running, there is no continuity in the high pressure switch.(When the condition above is met for 2 minutes continuously and the operation switch is ON.)SupposedCauses Defective high pressure switch Broken wire in the harness of high pressure switch Defective connection of the connector of high pressure switch Defective compressor Defective outdoor unit PCB Broken wire in lead wireTroubleshootingReplace the lead wire.NOReplace the high pressureswitch having no continuity in it.∗ Normal resistance:Not more than 10ΩNOProperly connect it.NOReplace the outdoor unit PCB.YESCaution Be sure to turn off the power switch before connecting or disconnecting connectors, or parts may be damaged.YESYESIs the high pressureswitch connectorproperly connectedto the outdoor unitPCB?Stop the compressor for a period of 10minutes, and then carry out thefollowing checks.Is there continuityin the highpressure switch?Is there continuity inthe lead wire?
