Difference between revisions of "Blue Series Troubleshooting (18K & 24K)"
From Technical Support Wiki
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* Poor heat exchange (including filth blockage of heat exchanger and bad radiating environment); | * Poor heat exchange (including filth blockage of heat exchanger and bad radiating environment); | ||
* Ambient temperature is too high. | * Ambient temperature is too high. | ||
| + | |- | ||
| + | | 2 | ||
| + | | Antifreezing protection | ||
| + | | E2 | ||
| + | | Off 3s and blink twice | ||
| + | | | ||
| + | | | ||
| + | | On | ||
| + | | Off | ||
| + | | On | ||
| + | | Off | ||
| + | | During cooling and drying operation, compressor and outdoor fan stop while indoor fan operates. | ||
| + | | | ||
| + | * Poor air-return in indoor unit; | ||
| + | * Fan speed is abnormal; | ||
| + | * Evaporator is dirty; | ||
|- | |- | ||
Revision as of 17:37, 1 May 2014
| NO. | Malfunction Name | Display Method of Indoor Unit | Display Method of Outdoor Unit | A/C Status | Possible Causes | ||||||
| Dual-8 Code Display | Indicator Display | Indicator Display | |||||||||
| Operation Indicator | Cooling Indicator | Heating Indicator | D40/D5 | D41/D6 | D42/D16 | D43/D30 | |||||
| 1 | System High Pressure Protection | E1 | 3s off blink once | off | blinking | blinking | blinking | During cooling and drying operation, all loads except the indoor fan stop operation. During heating operation, the entire unit stops. |
| ||
| 2 | Antifreezing protection | E2 | Off 3s and blink twice | On | Off | On | Off | During cooling and drying operation, compressor and outdoor fan stop while indoor fan operates. |
| ||