Normal Operation - Samsung RT53 Service Manual

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TROUBLESHOOTING
4-1-1-1-2. Models with ROTARY S/W (Fridge Room)
3. In a Normal mode, Test Key recogn ized as the 1 time the force is selected.
4. If forced operation is selected, even in action, COMP will work immediately without 7-minute delay.
5. If forced operation is selected, defrost immediately is interrupt.
6. If forced operation is selected, COMP. and F-FAN continuously operate for 24 hours.
7. The forced operation continues to operate until completed or different MODE is switched or released (for
defrost F).
8. Once forced operation is complete (24 hours). F defrost is proceeded regradess of the previous state.
9. After the defrost operation depending on the completion of the forced operation by judging and operatin
CASE which performs defrost function, it is proceeded a the normal defrost conditions.
10. Forced Operation → Forced F-Defrost → Cancellation (Normal Operation) → Forced Operation. Test
feature is changed as the sequence to forced operation.
[Reference]
Dead zone : If do not set a specific Notch, set between Notch, It is recognized as not the middle value
but abnormal range. This is called Dead zone.
1. If repeating 3 times switch of 'Coldest' Choices as Rotary Switch
2. Start typing TEST KEY and Forced Operation → Forced F-Defro
※REFERENCE : TEST OPERATION BLOCK DIAGRAM (TEST MODE)
TEST KEY
INPUT
NORMAL
OPERATION
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and "Dead Zone" over a second choice, a Test key will be
recognized as a one circuit. However, the choice of "Coldest" an
"Dead zone" exceed 5 seconds.
3 time Count is initialized.
→ Cancellation (Normal Operation) → Forced Operation. Test
feature is changed as the sequence to forced operation.
TEST KEY
INPUT
FORCED
COMPRESSOR
OPERATION
TEST KEY
INPUT

Samsung 34648123
Refrigerador WD856UH
FORCED
DEFROST
OPERATION