Panasonic CS-RE9NKR Service Manual

Also see for CS-RE12NKR: Operating instructions

3614.1.2 Relationship between the condition of the air conditioner and pressure and electriccurrentCooling Mode Heating ModeCondition of theair conditioner Low Pressure HighPressureElectric currentduringoperationLow Pressure HighPressureElectric currentduring operationInsufficientrefrigerant(gas leakage) Clogged capillarytube or strainer Short circuit in theindoor unit Heat radiationdeficiencyof the outdoor unit Inefficientcompression • Carry out the measurement of pressure, electric current, and temperature fifteen minutes after an operation isstarted.14.2 Breakdown Self Diagnosis Function14.2.1 About Self DiagnosisWhen the air-conditioner is stopped due to malfunction detected by itself, the operation can be restarted using AUTOSwitch on the indoor unit. In forced operation, the frequency for compressor and fan speed can not be changed andthe signal receiving sound is different.Normal Operation ON: “pep”Forced Operation ON: “pep”, “pep”, “pep”, “pep”Stop: “pep”Note: Refer to the Diagnosis Code Table for the malfunction when forced operation is not available.14.2.2 Display of Error Code1. Keeping the CHECK button on the remote controller depressed for 5 seconds, error code ranging from H11 to H99can be displayed on the remote controller.2. The error code is changed and diagnosis signal is transmitted to the indoor unit by pressing the Temp Up buttonon the remote control.3. When the malfunction of the air-conditioner matches the error code on the remote control, four beeps can be heardfrom the indoor unit and the operation indicator will light up.4. Keep the CHECK button depressed continuously for 5 seconds to cancel the diagnosis function.