LG ATNH09GRLE2 Svc Manual page 130

Check Resistance
and Pipe Line
Live and Pipe
L N Gnd
Check Resistance Check Resistance
Communication Line and Pipe
L N Gnd
+
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Only for training and service purposes
Check Resistance
Pipe Neutral and Pipe
∞
Ω
L N
Pipe
∞
Ω
+
- 130 -
Pipe
∞
Ω
Gnd
+
4. Trouble Shooting
LGE Internal Use Only