12.3. How to cope with test run abnormality
WT02979X01.pdf
1 A
abnormality.
1. Indoor unit
Check code | Abnormality | Check code | Abnormality |
2500 | Water leakage abnormality | 6603 | Transmission error (Transmission route BUSY) |
2502 | Drain pump error | 6606 | Transmission and reception error |
2503 | Drain sensor error, Float switch on |
| (Communication trouble with transmission processor) |
5101 | Air inlet sensor error | 6607 | Transmission and reception error (No ACK error) |
5102 | Piping sensor error | 6608 | Transmission and reception error (No responsive frame |
5103 | Piping sensor error in the gas side |
| error) |
6600 | Duplicated unit address setting | 7101 | Capacity code error |
6602 | Transmission error | 7111 | Remote controller sensor error |
| (Transmission processor hardware error) |
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2.Outdoor unit
a. Variable capacity unit
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Check code | Abnormality | Check code | Abnormality |
| ENGLISH |
0403 | Serial transmission malfunction | 5105 | Piping temperature sensor error (TH5) |
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1102 | Discharge temperature abnormality | 5106 | Outdoor temperature sensor error (TH6) |
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1111 | Low pressure saturated temperature abnormality | 5107 | Subcool coil liquid outlet temperature sensor error (TH7) |
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| (Detected by saturated temperature sensor) |
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1112 | Low pressure saturated temperature abnormality | 5108 | Subcool coil bypass outlet temperature sensor error |
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| (Detected by liquid level detecting temperature sensor) |
| (TH8) |
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1113 | Low pressure saturated temperature abnormality | 5109 | Sub cool coil bypass inlet temperature sensor error (TH9) |
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| (Detected by liquid level detecting temperature sensor) | 5110 | Inverter cooling plate temperature sensor error (THHS) |
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1301 | Low pressure abnormality | 5112 | Gas pipe sensor error (TH10a) |
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1302 | High pressure abnormality | 5113 | Gas pipe sensor error (TH10b) |
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1500 | Excessive refrigerant replenishment | 5201 |
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1501 | Lacked refrigerant abnormality | 5301 | IDC sensor circuit error |
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1505 | Low pressure abnormality | 6600 | Duplicated unit address setting |
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4103 | Reverse phase | 6602 | Transmission error (Transmission processor hardware |
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4108 | Overload protection (Comp overcurrent) |
| error) |
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4115 | Power supply simultaneous signal abnormality | 6603 | Transmission error (Transmission route BUSY) |
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4116 | Fan speed abnormality (motor abnormality) | 6606 | Transmission and reception error |
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4200 | VDC detection circuit error |
| (Communication trouble with transmission processor) |
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4210 | Overcurrent interruption | 6607 | Transmission and reception error (No ACK error) |
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4220 | Inverter bus line voltage low | 6608 | Transmission and reception error (No responsive frame |
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4230 | Overheat protection of radiator panel |
| error) |
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4240 | Overcurrent protection | 7100 | Total capacity error |
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4260 | Cooling fan abnormality | 7101 | Capacity code error |
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5101 | Discharge temperature sensor error (TH1) | 7102 | Connecting unit number error |
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5102 | Low pressure saturated temperature error (TH2) | 7105 | Address set error |
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5103 | Liquid surface detecting temperature sensor error (TH3) | 7109 | Incorrect connection |
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5104 | Liquid surface detecting temperature sensor error (TH4) | 7130 | Incorrect setup |
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b. Constand capacity unit |
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Check code | Abnormality | Check code | Abnormality |
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1102 | Discharge temperature abnormality | 5106 | Outdoor temperature sensor error (TH6) |
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1112 | Low pressure saturated temperature abnormality | 5107 | Subcool coil liquid outlet temperature sensor error (TH7) |
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| (Detected by liquid level detecting temperature sensor) | 5108 | Subcool coil bypass outlet temperature sensor error |
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1113 | Low pressure saturated temperature abnormality |
| (TH8) |
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| (Detected by liquid level detecting temperature sensor) | 5109 | Sub cool coil bypass inlet temperature sensor error (TH9) |
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1302 | High pressure abnormality | 5112 | Gas pipe sensor error (TH10a) |
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1500 | Excessive refrigerant replenishment | 5113 | Gas pipe sensor error (TH10b) |
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1505 | Low pressure abnormality | 6600 | Duplicated unit address setting |
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1559 | Faulty oil balance circuit | 6602 | Transmission error (Transmission processor hardware |
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4103 | Reverse phase error |
| error) |
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4106 | Power failure error | 6603 | Transmission error (Transmission route BUSY) |
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4108 | Overload protection (Comp overcurrent) | 6606 | Transmission and reception error |
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4115 | Power supply simultaneous signal abnormality |
| (Communication trouble with transmission processor) |
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5101 | Discharge temperature sensor error (TH1) | 6607 | Transmission and reception error (No ACK error) |
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5103 | Liquid surface detecting temperature sensor error (TH3) | 6608 | Transmission and reception error (No responsive frame |
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5104 | Liquid surface detecting temperature sensor error (TH4) |
| error) |
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5105 | Piping temperature sensor error (TH5) |
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