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How To Cope With Test Run Abnormality - Mitsubishi Electric City Multi PUHY-P-YMF-B Installatiehandleiding

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12.3. How to cope with test run abnormality

1 A 4-digit check code is displayed on remote controller display panel if unit is stopped due to an abnormality. Check to see causes of that
abnormality.
1. Indoor unit
Check code
2500
Leakage (water) abnormality
2502
Drain pump abnormality
2503
Drain sensor abnormality
4116
Fan speed abnormality (motor abnormality)
5101
Thermal sensor
5102
abnormality
5103
6600
Multiple address abnormality
2. Outdoor unit
Check code
0403
Serial transmission abnoramlity
1102
Discharge temperature abnormality
1111
Low pressure saturation temperature sensor
abnormality (TH2)
1112
Low pressure
saturation
temperature
1113
abnormality
1301
Low pressure abnormality
1302
High pressure abnormality
1500
Overcharged refrigerant abnormality
1501
Low refrigerant abnormality
1505
Suction pressure abnormality
4103
Reverse phase abnormality
4108
Overcurrent protection (51C2)
4115
Power supply sync signal abnormality
4200
VDC sensor/circuit abnormality
4210
Breaking of overcurrent
4220
Bus voltage abnormality
4230
Radiator panel overheat protection
4240
Overcurrent protection
4260
Cooling fan abnormality
All manuals and user guides at all-guides.com
Check Content
Air inlet (TH21)
Liquid pipe (TH22)
Gas pipe (TH23)
Check Content
Liquid level sensing temperature
sensor abnormality (TH4)
Liquid level sensing temperature
sensor abnormality (TH3)
Check code
6602
Transmission processor hardware abnormality
6603
Transmission circuit bus-busy abnormality
6606
Communications with transmission processor abnormality
6607
No ACK abnormality
6608
No response abnormality
7101
Capacity code abnormality
7111
Remote control sensor abnormality
Check code
5101
Discharge (TH1)
5102
Low pressure saturation (TH2)
5103
Accumulater liquid level (TH3)
5104
Accumulater liquid level (TH4)
5105
Liquid pipe (TH5)
Thermal sensor
5106
Ambient temperature (TH6)
abnormality
5107
SC coil outlet (TH7)
5108
SC coil bypass outlet (TH8)
5109
SC coil bypass inlet (TH9a)
CS circuit liquid temperature (TH9b)
5110
Radiator panel
5114
Compressor shell temperature (TH10)
5201
Pressure sensor abnormality
5301
IDC sensor/circuit abnormality
6600
Multiple address abnormality
6602
Transmission processor hardware abnormality
6603
Transmission circuit bus-busy abnormality
6606
Communications with transmission processor abnormality
6607
No ACK abnormality
6608
No response abnormality
7100
Total capacity abnormality
7101
Capacity code abnormality
7102
Connected unit count over
7105
Address setting abnormality
Check Content
Check Content
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