Daikin FTYN25DV3B ATY20DV2 Service Manual

Contents

Daikin FTYN25DV3B ATY20DV2 Service Manual Manual pdf 72 page image

SiBE01-503 TroubleshootingService Diagnosis 634.6 High Pressure Control in CoolingRemoteControllerDisplayF6Method ofMalfunctionDetectionHigh-pressure control (stop, frequency drop, etc.) is activated in the cooling mode if thetemperature being sensed by the heat exchanger thermistor exceeds the limit.MalfunctionDecisionConditions Activated when the temperature being sensed by the heat exchanger thermistor rises above63°C (RYN models) or 65°C (ARY models). Deactivated when the temperature drops below 48°C (RYN models) or 50°C (ARY models).SupposedCauses The installation space is not large enough. Faulty outdoor unit fan Faulty heat exchanger thermistor Faulty stop valve Dirty heat exchanger