Mitsubishi Electric CITY MULTI PUHY-P-YSMF-B Manuel D'installation page 40

b. Constand capacity unit
Check code
1102 Discharge temperature abnormality
1112 Low pressure saturated temperature abnormality
(Detected by liquid level detecting temperature sensor)
1113 Low pressure saturated temperature abnormality
(Detected by liquid level detecting temperature sensor)
1301 Low pressure abnormality
1302 High pressure abnormality
1500 Excessive refrigerant replenishment
1505 Low pressure abnormality
1559 Faulty oil balance circuit
4103 Reverse phase error
4106 Power failure error
4108 Overload protection (Comp overcurrent)
4115 Power supply simultaneous signal abnormality
5101 Discharge temperature sensor error (TH1)
5103 Liquid surface detecting temperature sensor error (TH3)
5104 Liquid surface detecting temperature sensor error (TH4)
3. Remote controller
Check code
6101 Unreadable response receiving error
6600 Duplicated unit address setting
6602 Transmission error (Transmission processor hardware
error)
6603 Transmission error (Transmission route BUSY)
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Abnormality
Abnormality
Check code
5105 Piping temperature sensor error (TH5)
5106 Outdoor temperature sensor error (TH6)
5107 Subcool coil liquid outlet temperature sensor error (TH7)
5108 Subcool coil bypass outlet temperature sensor error
(TH8)
5109 Sub cool coil bypass inlet temperature sensor error (TH9)
5112 Gas pipe sensor error (TH10a)
5113 Gas pipe sensor error (TH10b)
6600 Duplicated unit address setting
6602 Transmission error (Transmission processor hardware
error)
6603 Transmission error (Transmission route BUSY)
6606 Transmission and reception error
(Communication trouble with transmission processor)
6607 Transmission and reception error (No ACK error)
6608 Transmission and reception error (No responsive frame
error)
Check code
6606 Transmission and reception error (Communication trou-
ble with transmission processor)
6607 Transmission and reception error (No ACK error)
6608 Transmission and reception error (No responsive frame
error)
Abnormality
Abnormality