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7-75
HOW TO CHECK THE SCR MODULE
K2
G1
K1
3
2
1
K2
G1
K1
Circuit
Real diagram
* Before checking SCR MODULE, be sure to disconnect bus bar and wire on the terminal.
SURGE PCB
No.
1
2
3
4
Measuring point
(Real diagram)
No.1 ~ No.3
No.2 ~ No.3
G1 ~K1
G1 ~ K2
Measure value
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
7
)