Difference between revisions of "Blue Series Troubleshooting (18K & 24K)"

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| System High Pressure Protection
 
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| 3s off blink once
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Revision as of 17:36, 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 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.
  • Refrigerant was superabundant;
  • Poor heat exchange (including filth blockage of heat exchanger and bad radiating environment);
  • Ambient temperature is too high.