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7
7
)
HOW TO CHECK THE SCR MODULE
* Before checking SCR MODULE, be sure to disconnect bus bar and wire on the terminal.
Measuring point
No.
(Real diagram)
1
No.1 ~ No.3
2
No.2 ~ No.3
3
G1 ~ K1
4
G1 ~ K2
Circuit
K2
G1
K1
Measure value
(Measurement of digital tester)
Forward : Under 100 k ohm
∞ )
Reverse : Infinity (
Forward : Infinity ( ∞ )
Reverse : Infinity ( ∞ )
Forward : Under 100 ohm
Reverse : Under 100 ohm
But It depends on the module.
If it is not 0 ohm, It is Ok.
Forward : Infinity ( ∞ )
Reverse : Infinity ( ∞ )
7-116
Real diagram
3
2
1
SURGE PCB
K2
G1
K1
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