LG LFC20770SB Service Manual page 66

No Checking flow
1-. Unscrew Duct assembly.
3
2-. Check for loose connection .
1-. Disconnect Duct assembly.
4
2-. Check resistance value on Duct
Assembly connector, White to Blue and
Red to Yellow.
A
B
Result & SVC Action
Result
Firmly plugged
Loose
Result
373.5~456.5Ù
Other Value
NOTE: Measurement "A" and "B" must be within
spec, If "A" or "B" are not mach with the spec,
consider it as "Other Value" condition.
B
A
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SVC Action
Go to step #4
Plug firmly, then check again. Problem
persist?
YES: go to step #4
NO: explain to customer.
SVC Action
Go to step #5
Change Duct Assembly.