Error code
Mitsubishi Electric PUHZ code U3
No approved translation for this record yet; showing the original text.
Meaning
(TH4:5104) (TH33:5132): • When discharge superheat is less than 70:. • When the TH6 temp is more than the value obtained by TH7 – 5:. • When the condensing temp of TH5 is less than 35:. <Condition B> • During compressor operation (Cooling and Heating) • When discharge superheat is less than 80: in Cooling. • When discharge superheat is less than 90: in Heating. • When condensing temp of TH6 is more than−40:. (In Cooling only.) (3) Abnormal if comp. surface temperature thermistor (TH33) exceeds 125°C or 110°C continuous
Member details
Signed-in members see the LED pattern and how to read the code with the remote control on eligible records.
View details as a memberPossible causes
(1) Disconnection or contact failure of connector (TH4/TH33) on the outdoor controller circuit board (2) Defective thermistor (3) Defective outdoor controller circuit board
Solution
Solution steps are not shared for faults that may be dangerous.
No do-it-yourself solution is given for this fault. For your safety, call an authorised service.
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