Blodgett BCX14G Troubleshooting Manual page 106

~ Steam Mode with Heat Light Active ~
# Components Testing
1 BCX2 (Logic Board)
2 BCX2 (Logic Board)
3 BCX2 (Logic Board)
4 (T2) Bottom Transformer
5 ( IFB ) Relay Board
6 ( IFB ) Relay Board
7 ( IFB ) Relay Board
8 ( IFB ) Relay Board
9 ( IFB ) Relay Board
( IFB ) Relay Board /
10
Steam Gas Valve
~ Combi Mode with Heat Light Active ~
# Components Testing
1 BCX2 (Logic Board)
2 BCX2 (Logic Board)
3 BCX2 (Logic Board)
4 BCX2 (Logic Board)
5 (T1) Top Transformer
6 ( IFB ) Relay Board
7 ( IFB ) Relay Board
8 ( IFB ) Relay Board
9 ( IFB ) Relay Board
10 ( IFB ) Relay Board
( IFB ) Relay Board /
11
Hot Air Gas Valve
(T2)
12
Bottom Transformer
13 ( IFB ) Relay Board
14 ( IFB ) Relay Board
15 ( IFB ) Relay Board
16 ( IFB ) Relay Board
17 ( IFB ) Relay Board
( IFB ) Relay Board /
18
Steam Gas Valve
Black lead
J3 Connector (J3-2) GY-2
J4 Connector (J4-1) V-6
J4 Connector (J4-6) BL-2
Terminal #6
(WH-1)
J6 Connector (J6-2) W-1
J6 Connector (J6-2) W-1
J6 Connector (J6-2) W-1
J6 Connector (J6-2) W-1
J6 Connector (J6-2) W-1
(IFB) J6 Connector (J4-2) W-2
Black lead
J3 Connector (J3-1) GY-1
J4 Connector (J4-1) V-6
J4 Connector (J4-2) Y-1
J4 Connector (J4-6) BL-2
(Active 25%)
Terminal #6
(WH-2)
J4 Connector (J4-2) W-2
J4 Connector (J4-2) W-2
J4 Connector (J4-2) W-2
J4 Connector (J4-2) W-2
J4 Connector (J4-2) W-2
(IFB) J4 Connector (J4-2) W-2
Terminal #6
(WH-1)
J6 Connector (J6-2) W-1
J6 Connector (J6-2) W-1
J6 Connector (J6-2) W-1
J6 Connector (J6-2) W-1
J6 Connector (J6-2) W-1
(IFB) J6 Connector (J4-2) W-2
106
Test Points
Red Lead
J1 Connector (J1-4) RD-1
J1 Connector (J1-4) RD-1
J1 Connector (J1-4) RD-1
Terminal #4
J6 Connector (J6-1) RD-1
J6 Connector (J6-3) Y-6
U9 Spark Box (THS-2) Y-2
J6 Connector (J6-4) Y-3
J6 Connector (J6-5) RD-16
Steam Gas Valve ( MV) RD-16
Test Points
Red Lead
J1 Connector (J1-4) RD-1
J1 Connector (J1-4) RD-1
J1 Connector (J1-4) RD-1
J1 Connector (J1-4) RD-1
Terminal #4
J4 Connector (J4-1) RD-2
J4 Connector (J4-3) OR-22
U7 Spark Box (THS-2)
J4 Connector (J4-4) OR-23
J4 Connector (J4-6) BL-1
Hot Air Gas Valve ( MV) BL-1
Terminal #4
J6 Connector (J6-1) RD-1
J6 Connector (J6-3) Y-6
U9 Spark Box (THS-2) Y-2
J6 Connector (J6-4) Y-3
J6 Connector (J6-5) RD-16
Steam Gas Valve ( MV) RD-16
Voltage AC
+ DC
24 VDC
24 VDC
24 VDC
(RD-1)
24 VAC
24 VAC
24 VAC
24 VAC
24 VAC
24 VAC
24 VAC
Voltage AC
+ DC
24 VDC
24 VDC
24 VDC
24 VDC
(RD-2)
24 VAC
24 VAC
24 VAC
24 VAC
24 VAC
24 VAC
24 VAC
24 VAC
(RD-1)
24 VAC
24 VAC
24 VAC
24 VAC
24 VAC
24 VAC