Coil Exchanging Method - LG Multi V PRHR042A Installation Manual

COIL EXCHANGING METHOD

20
COIL EXCHANGING METHOD
1
Remove the 2 securing screws.
Remove the cover by pulling on the bottom
of the cover and lifting up.
3
Remove the 4 securing screws.
Lift up and pull on the cover.
NOTE
!
Refer to the label concerned the solenoid coil's position attached on the cover inside.
NOTICE
!
Be sure that system power off
before exchanging the coil.
Check the position of the sole-
noid coil with the label at-
tached on the cover inside
when abnormal noise is heard
loudly during operation.
2
Take out the connectors on the pcb.
Remove the 4 securing screws.
Lay down the control box.
4
Remove the securing nut with a spanner.
Exchange the coil.
Branch 4 Branch 3
Bypass Bypass
(CN11) (CN10)
Branch 4 Branch 3
Low Low
Branch 4 Branch 3
(CN07) (CN06)
High High
(CN07) (CN06)
Position label of the solenoid coil (PRHR042A)
Branch 2 Branch 1
Bypass Bypass
(CN09) (CN08)
Branch 2 Branch 1
Low Low
Branch 2 Branch 1
(CN05) (CN04)
High High
(CN05) (CN04)
Bypass
(CN12)