LG LTCS20020 Series Service Manual page 14

Actions for each Trip and number of LED blinking
1. LED blinking 1 time (AD-offset Error)
Blink OFF Blink OFF
Objective: to detect Motor voltage or current sensing defect
Actions: check CC310 voltage and if it is outside 2.2~2.8V, replace PCB
LED blinking 1
Check
time
protection
AD-offset Error
logic
Replace
Is it out of Spec.?
PCB
(2.2-2.8V)
Power Reset
14
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