Refefences -Erccceeeteteeeeteeee Eee Een Tee Tteeeneeeaeeees - Samsung SR-S25NTA Service Manual

12. References 7 ;
"Reference No.1) Connection diagramofCABINE-DOOR_ sd)
Connection at Hinge-Upp of the Freezer
MAIN PCB
ASS'Y
Reference No. 2) Check of RELAY
Measure after
2 contact disassembly
1. Measure the voltage of COIL ends to check
operation.
2. Measure the resistance of Contact ents to
check ON/OFF.
COIL ends
=
Contact class |Voltage at COIL ends | Contact ents judgement
COIL ends
< RELAY Movable contact (make) >
About DC 12V | CLOSE betwen Cand NO
(Operation
diti
Example) C-COMMON, NC—NORMAL CLOSE, 3. Contact Sees eee mee
NO—NORMAL OPEN RELAY OPEN betwen C and NO
About DC 0V
Stop condition) | cose betwen Cand NC
About DC12V_ | CLOSE
2 Contact
i a About DCO0V_ | OPEN
3. If Contacts does not operate as descrbed
in the above table, replace the relevan
RELAY.