Samsung RF267AEXAA, RF267AEBP, RF267AE**, RF26XAERS Troubleshooting, Is the input voltage of, No No

TROUBLESHOOTING

10) If Tank Water Heater has trouble

ERROR Code

Measure the resistance between #6~#10 after CN79 connector

open 72ohm 7%

Start

Is MAIN PCB connector (CN79) inserted correctly?

YES

NO

Bad contact of connector/

MICOM	Initial	Heater off	Working
	power On		heater
#6	3.5V~4.8V	3.5V~4.8V	0V

Is Tank Water Heater normal?(about72ohm)

YES

Is the input voltage of

IC01 MICOM #6 normal?)

NO

NO

insert correctly

1) Wire connector

2) Replace Heater

Checking method of Tank Water Heater resistance CN78#5(Black) #4(Brown)

**: Open(wire disconnection, heater

disconnection) trouble 0 : Short trouble

Checking method of Tank Water Heater resistance CN79#6(Pink) #10(White)

**: Open(wire disconnection, heater

disconnection) trouble 0 : Short trouble

YES

Normal(recheck)

1)Recheck the wire

2)Replace PCB MAIN

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