How To Cope With Test Run Abnormality; Dip Switch Setting - LG Multi V ARWM072CAS5 Service Manual

Component Phenomenon
Not operating
Compressor
Stop during running
Abnormal noise during
running
Heating failure
No operating sound at
Outdoor EEV
applying power
Low pressure error or dis-
charge temperature error

3. DIP Switch Setting

n Location of setting Switch
Heat Recovery / Heat Pump (Main PCB)
Motor insulation broken
Strainer clogged
Oil leakage
Motor insulation failure
R(L1)-S(L2)-T(L3)
misconnection
Bad connector contact Check connector
Coil failure
EEV clogged
DIP-SW01 7 - Segment
Cause Check method and Trouble shooting
Check resistance between terminals and
chassis
Change strainer
Check Oil level after opening oil port
Check resistance between terminals and
chassis
Check compressor R(L1)-S(L2)-T(L3)
connection
Check resistance between terminals
Service necessary
SW04C (X : cancel)
SW03C (
SW02C (
SW01C (
Automatic Addressing)
SW04D (reset)
- 85 -
Copyright © 2020 LG Electronics. Inc.
All right reserved. Only for training and service purposes
Test Run
: forward)
: backward)
: Confirm /