Samsung RS2622 manual If alarm sound, If Ding-Dong sounds continuously Start, Remove causes after

Diagnostics

11-5) If alarm sound

1) If “Ding-Dong” sounds continuously

Start

Yes

Freezer door MICOM No. 43, Fridge door MICOM No. 44

–Regular voltage are 5V to Open : 0V to Close.

Isn’t the door opened minutely?

No

Isn’t water penetrated

into the door S/W?

YES

Is the input voltage of

main No. 43 and 44 changed at door-open,

door-close?

YES

Is the state of inserted connector

(CN30)being normal?

	Remove causes after
	comprehending the conditions of
NO	interference by door gasket, food etc.
	Exchange the door S/W.
NO
	Troubleshoot the breaking of wire and
	bad door S/W.
NO

Separate the door S/W and check if the measured value of unit is changed from 0 to∞Ω according to S/W ON/OFF.

	YES		Connector not inserted. Troubleshoot
			poor contact.
Is the door S/W self-unit normal?		NO
	YES
			Exchange the door S/W.
Main PCB and door S/W are normal.

2) If “Beep” sounds continuously

Start

Didn’t you

select forced operation and forced

defrosting?

YES

Do buzzer

still sound after power-on

again?

YES

Check if there is any short parts due to

foreign matters and the test jumper part in the main-PCB.

Selected

	Release the forced operation and
	forced defrosting functions, or turn ON
NO	again after power OFF.

Main-PCB is normal

50