Samsung RF267AEWP Troubleshooting, Is Damper Heater, Is the input voltage of, normal?about145ohm

TROUBLESHOOTING

9) If Pantry Room Damper Heater has trouble

ERROR Code

2¢ (-17¡ ) is recommended 38¢ (3¡ ) is recommended

Measure the resistance between - after

CN91 connector open 145ohm 7%

MICOM	Initial	Damper	Damper
	power On	heater off	heater On
#42
condition	3.5V~4.8V	3.5V~4.8V	0V

Start

Is Damper Heater

normal?(about145ohm)

YES

Is MAIN PCB connector (CN91) inserted correctly?

YES

Is the input voltage of

IC02 MICOM #42 normal?

YES

Normal(recheck)

NO

Replace Damper

NO

Bad contact of connector/ insert correctly

NO

1)Recheck the wire

2)Replace PCB MAIN

Checking method of Pantry Room Damper resistance CN91#1(Black) #2(Brown)

**: Open(wire disconnection, heater

disconnection) trouble 0 : Short trouble

Heat	MICOM	Initial Power	Heater Off	Working
	(IC01)	On		Heater
Water tank	#6	3.5V ~ 4.8V	3.5V ~ 4.8V	0V
Ice Pipe	#3	3.5V ~ 4.8V	3.5V ~ 4.8V	0V

66