Samsung MH026FNCA service manual Mhfeca, Samsung Electronics

Alignment and Adjustments

■MH✳✳✳FECA

The error indicated on the LED display of Indoor unit

		Indicators
	Concealed Type
Abnormal conditions			Operating
	Blue	Red
	Standard Type
Power reset
			Displayed on
Error of temperature sensor in indoor unit(OPEN/SHORT)			appropriate indoor unit
			which is operating
Error of heat exchanger sensor in indoor unit			Displayed on
Error of heat exchanger OUT sensor in indoor unit			appropriate indoor unit
Error of outlet temperature sensor in indoor unit			which is operating
(OPEN/SHORT): For heat pump models only
Error of mixed operation
			Displayed on
Error of outdoor temperature sensor			appropriate indoor unit
Error of COND sensor			which is operating
Error of DISCHARGE sensor			Displayed on outdoor
			unit
1. No communication for 2 minutes between indoor unit			1. Error of indoor unit :
and outdoor unit (communication error for more than			Displayed on the
2 minutes)			indoor unit regardless
2. Indoor unit receiving the communication error from			of operation
outdoor unit			2. Error of outdoor unit :
3. Outdoor unit tracking 3 minutes error
			Displayed on the
4. When sending the communication error from outdoor
			indoor unit which is
unit the mismatching of the communication numbers
			operating
and installed numbers after completion of tracking.
(communication error for more than 2 minutes)
Self-diagnostic error			Displayed on
(including the indoor unit not detected)			appropriate indoor unit
1. Error of electronic expansion valve close			which is operating
2. Error of electronic expansion valve open			Displayed on outdoor
			unit
3. Breakaway of EVA OUT sensor
4. Breakaway of EVA IN sensor

: On : Flickering : Off

◆If you turn off the air conditioner when the LED is flickering, the LED is also turned off.

◆If you re-operate the air conditioner, it operates normally at first, then detect an error again.

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