Panasonic WH-SHF09D3E5 Service Manual

Also see for WH-SHF09D3E5: Design handbook Operating instructions

Contents

Panasonic WH-SHF09D3E5 Service Manual Manual pdf 65 page image

6516.4 Error Codes TableDiagnosis display Abnormality/Protection control Abnormality judgement Primary location to verifyH00 No abnormality detected — —H12 Indoor/Outdoor capacity unmatched continue for 90 sec. Indoor/outdoor connection wire Indoor/outdoor PCB Specification and combination table incatalogueH15 Outdoor compressor temperature sensorabnormalityContinue for 90 sec. Compressor temperature sensor(defective or disconnected)H23 Indoor refrigerant liquid temperaturesensor abnormalityContinue for 5 sec. Refrigerant liquid temperature sensor(defective or disconnected)H42 Compressor low pressure abnormality — Outdoor pipe temperature sensor Clogged expansion valve or strainer Insufficient refrigerant Outdoor PCB CompressorH62 Water flow switch abnormality 9 minutes after water pump ONand continue for 1 minute Water flow switchH63 Refrigerant low pressure abnormality 4 times occurrence within20 minutes Outdoor low pressure sensor (defectiveor disconnected)H64 Refrigerant high pressure abnormality 4 times occurrence in20 minutes Outdoor high pressure sensor(defective or disconnected)H70 Back-up heater OLP abnormality Continue for 60 sec. Back-up heater OLP(Disconnection or activated)H72 Tank sensor abnormal Continue for 5 sec. Tank sensorH76 Indoor - control panel communicationabnormality— Indoor - control panel(defective or disconnected)H90 Indoor/outdoor abnormal communication > 1 min after starting operation Internal/external cable connections Indoor/Outdoor PCBH91 Tank heater OLP abnormality Continue for 60 sec. Tank heater OLP(Disconnection or activated)H95 Indoor/Outdoor wrong connection — Indoor/Outdoor supply voltageH98 Outdoor high pressure overloadprotection— Outdoor high pressure sensor Water pump or water leakage Clogged expansion valve or strainer Excess refrigerant Outdoor PCBH99 Indoor heat exchanger freeze prevention Continue for 10 sec. Indoor heat exchanger Refrigerant shortageF12 Pressure switch activate 4 times occurrence within 20minutes Pressure switchF14 Outdoor compressor abnormal revolution 4 times occurrence within 20minutes Outdoor compressorF15 Outdoor fan motor lock abnormality 2 times occurrence within 20minutes Outdoor PCB Outdoor fan motorF16 Total running current protection 3 times occurrence within 20minutes Excess refrigerant Outdoor PCBF20 Outdoor compressor overheatingprotection4 times occurrence within 30minutes Compressor tank temperature sensor Clogged expansion valve or strainer Insufficient refrigerant Outdoor PCB CompressorF22 IPM (power transistor) overheatingprotection3 times occurrence within 30minutes Improper heat exchange IPM (Power transistor)F23 Outdoor Direct Current (DC) peakdetection7 times occurrencecontinuously Outdoor PCB CompressorF24 Refrigeration cycle abnormality 2 times occurrence within 20minutes Insufficient refrigerant Outdoor PCB Compressor low compressionF25 Cooling/Heating cycle changeoverabnormality4 times occurrence within 30minutes 4-way valve V-coilF37 Indoor water inlet temperature sensorabnormalityContinue for 5 sec. Water inlet temperature sensor(defective or disconnected)F40 Outdoor discharge pipe temperaturesensor abnormalityContinue for 5 sec. Outdoor discharge pipe temperaturesensor (defective or disconnected)F41 PFC control 4 times occurrence within 10minutes Voltage at PFCF42 Outdoor heat exchanger temperaturesensor abnormalityContinue for 5 sec. Outdoor heat exchanger temperaturesensor (defective or disconnected)