Check Infinite switch : Check
1
With infinite switch in the HI
position for inner element measure
the resistances between Terminals
2 & P1
Normal : 1Ω or CLOSED
Abnormal : OL / OPEN
Check Infinite switch : Check
2
With infante switch in the HI
position measure the resistances
between terminal 4 & P2
Normal : 1 Ω or CLOSED
Abnormal : OL / OPEN
Infinite switch : Check 3
Set infinite switch to HI position for
the outer element. Measure
resistances between P2 & 4A
Normal: 1Ω or CLOSED
Abnormal: OL / OPEN