SiBE01-503 CheckService Diagnosis 695.3 Outdoor Unit Fan System CheckCheck No.095.4 Hall IC CheckCheck No.16 1. Check the connector connection.2. With the power ON, operation OFF, and the connector connected, check the following.∗Output voltage of about 5 V between pins 1 and 3.∗Generation of 3 pulses between pins 2 and 3 when the fan motor is operating.Failure of (1) Æ faulty PCB Æ Replace the PCB.Failure of (2) Æ faulty Hall IC Æ Replace the fan motor.Both (1) and (2) result Æ Replace the PCB.Check thefan motor lead wireconnector for secureconnection.AbnormalYESNONOContinuityAre theresistance at connectorleads ∞? 1. red - black,2. white - blackCheck the fancapacitor for continuity.Does the outdoorfan rotate?Doesthe outdoor unit fanstart just after the poweris turned on?Check the outdoor fan system.YESYESNONormalNo continuityRepair.Replace the fan motor.Replace the fan motor.Replace the outdoor unit PCB.The outdoor fan system isnormal.(R2670)
