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

Revision as of 17:40, 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
		Dual-8 Code Display	Operation Indicator	Cooling Indicator	Heating Indicator	D40/D5	D41/D6	D42/D16	D43/D30
1	System High Pressure Protection	E1	Off 3s 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.
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;
3	High discharge temperature protection of compressor	E4	Off 3s and blink 4 times			On	Off	On	blinking	During cooling and drying operation, compressor and outdoor fan stop while indoor fan operates. During heating, all loads stop.	Please refer to the service manual

@@ Line 22: / Line 22: @@
 | System High Pressure Protection
 | E1
-| 3s off blink once
+| Off 3s blink once
 |
 |
@@ Line 38: / Line 38: @@
 | Antifreezing protection
 | E2
-| 3s off and blink twice
+| Off 3s and blink twice
 |
 |
@@ Line 50: / Line 50: @@
 * Fan speed is abnormal;
 * Evaporator is dirty;
+|-
+| 3
+| High discharge temperature protection of compressor
+| E4
+| Off 3s and blink 4 times
+|
+|
+| On
+| Off
+| On
+| blinking
+| During cooling and drying operation, compressor and outdoor fan stop while indoor fan operates. During heating, all loads stop.
+| Please refer to the [[:File:Service_Manual_Platinum.pdf|service manual]]
 |-