Judgment Method Of R,S,T Phase Loss; Judgment Method Of Open And Reverse Phase Of R,S,T; Operation With Replacement Of R And S Phases Only - LG Therma V ZHBW056A0 Service Manual

▶ZHBW128A0 / ZHBW148A0 / ZHBW168A0
n Judgment Method of R,S,T phase loss
- Set the tester in AC voltage measurement mode (The part having wave pattern)
- The part that does not generate voltage was upgraded.
- Power module requires checking.
R S T N
??
Vac
n Judgment method of open and reverse phase of R,S,T

- Operation with replacement of R and S phases only

Br own B Black
R S T
Br own B Black Green
R S T N
S
Green
Br own B Black
N R
B
R S T
??
Vac
Green
S T N
Br own Black Green
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Only training and service purposes.
N
??
Vac