Tweco 151 with SL100SV - Manual (Page 86)

SERVICE 5-18 Manual 0-4691
5
Art # A-04641
TP1
TP7
TP2
TP8
TP3
TP9
TP4
TP10
TP5
TP11
TP6 D33 D13
D25
Logic Board Layout
H. Gas flows continuously when power is turned on; AC indicator flashes
1. Torch switch is activated (closed) before user turns power on
a. Release torch switch.
2. Faulty torch switch
a. Check torch switch for continuity.