Error code
Mitsubishi Electric PUHZ code 1300
No approved translation for this record yet; showing the original text.
Meaning
Low pressure(RP200) Abnormal if the following conditions are detected for continuously 1-3 minutes after compressor starts heating operation for 5 minutes. 1. Heating mode Detection mode1 TH7-TH3 4 and TH5-Indoor room temperature 2 Detection mode2 + TH7-TH3 2 and TH5-Indoor room temperature 4 and TH2-Indoor room temperature 4 2.Cooling mode TH6-TH7 2 and TH3-TH7 2 and Indoor room temperature - Indoor liquid pipe temperature (TH2) 5 Thermistor TH3 : Outdoor liquid pipe temperature TH5 : Indoor co | Low pressure (63L worked)(RP250) Abnormal if 63L is worked (under -0.03MPa) during compressor operation. 63L: Low-pressure switch
Member details
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View details as a memberPossible causes
Stop valve of outdoor unit is closed during operation. Leakage or shortage of refrigerant Malfunction of linear expansion valve Clogging with foreign objects in refrigerant circuit Clogging occurs in the parts which become below freezing point when water enters in refrigerant circuit. Stop valve of outdoor unit is closed during operation. Disconnection or loose connection of connector (63L) on outdoor controller circuit board Disconnection or loose connection of 63L Defective outdoor controller circuit board Leakage or shortage of refrigerant Malfunction of linear expansion valve
Solution
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Address of this page: https://www.remfixit.com/tr/mitsubishi-electric/puhz/1300