127
5. Inspection and Maintenance
Inspection and Maintenance
Positive
voltage
Negative
voltage
Normal
result
Positive
voltage
Negative
voltage
Normal
result
Terminal
mark
P
S
Not
conducting
Terminal
mark
P
V
Not
conducting
P
T
Not
conducting
P
W
Not
conducting
R
N
Not
conducting
U
N
Not
conducting
S
N
Not
conducting
V
N
Not
conducting
T
N
Not
conducting
W
N
Not
conducting
N
R
Conducting
N
U
Conducting
N
S
Conducting
N
V
Conducting
N
T
Conducting
N
W
Conducting