Troubleshooting Guide
Self-diagnosis
Self-diagnosis■Error Indicator
•The function is to
•Error mark is ON/OFF for the operation LED of evaporator body in the same manner as the following table.
•If more than two troubles occur simultaneously, primarily the highest trouble fo error code is expressed.
•After error occurrence, if error is released, error LED is also released simultaneously.
•To operate again on the occurrence of error code, be sure to turn off the power and then turn on.
•Having or not of error code is different from Model.
Indoor Error
Error code | Description | MPS | MPS | LED 1 | LED 2 | Indoor | |
Variable | Inverter | (Red) | (Green) | Status | |||
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00 | No Error |
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| ON | |
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01 | Indoor Room Thermistor Error |
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| 1 time | OFF | |
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02 | Indoor |
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| 2 times | OFF | |
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03 | Remote controller Error |
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| 3 times | OFF | |
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04 | Drain Pump Error |
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| 4 times | OFF | |
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05 | Communication Error between In and Out |
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| 5 times | OFF | |
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06 | Indoor |
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| 6 times | OFF | |
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Outdoor Error
Error Code | Description | MPS | MPS | LED 1 | LED 2 | Indoor | |
Variable | Inverter | (Red) | (Green) | Status | |||
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21 | DC Peak(IPM Fault) |
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| 2 times | 1 time | ON | |
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22 | CT2(Max CT) |
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| 2 times | 2 times | OFF | |
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23 | DC Link Low Volt |
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| 2 times | 3 times | OFF | |
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24 | High/Low Pressure/Heatsink Switch |
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| 2 times | 4 times | OFF | |
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25 | Low Voltage / Over Voltage |
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| 2 times | 5 times | OFF | |
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26 | DC COMP Position Error |
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| 2 times | 6 times | OFF | |
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27 | PSC Fault Error |
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| 2 times | 7 times | OFF | |
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28 | DC Link High Volt |
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| 2 times | 8 times | OFF | |
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32 |
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| 3 times | 2 times | OFF | ||
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33 |
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| 3 times | 3 times | OFF | ||
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40 | CT Sensor(open/short) |
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| 4 times |
| OFF | |
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41 | INV. |
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| 4 times | 1 times | OFF | |
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44 | Outdoor Air Thermistor Error(Open/Short) |
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| 4 times | 4 times | OFF | |
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45 | Cond Pipe Thermistor Error(Open/Short) |
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| 4 times | 5 times | OFF | |
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46 | Suction Pipe Thermistor Error(Open/Short) |
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| 4 times | 6 times | OFF | |
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47 | Const. |
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| 4 times | 7 times | OFF | |
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51 | Capcity Error(High/Low) |
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| 5 times | 1 times | OFF | |
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53 | Signal Error(Indoor_Outdoor) |
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| 5 times | 3 times | OFF | |
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54 | Phase Error |
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| 5 times | 4 times | OFF | |
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60 | EEPROM Check Sum Error |
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| 6 times |
| OFF | |
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61 | Cond Pipe High |
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| 6 times | 1 times | OFF | |
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62 | Heatsink High |
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| 6 times | 2 times | OFF | |
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63 | Cond Pipe Low |
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| 6 times | 3 times | OFF | |
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65 | Heatsink Thermistor Error(Open/Short) |
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| 6 times | 5 times | OFF | |
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Service Manual 37
