Blodgett BCX14E Troubleshooting Manual page 41

# Components Testing
1 BCX2 (Logic Board)
2 BCX2 (Logic Board)
3 BCX2 (Logic Board)
4 BCX2 (Logic Board)
5 ( IFB ) Relay Board
6
( IFB ) Relay Board
7 ( IFB ) Relay Board
8 ( IFB ) Relay Board
9 RH Contactor Hot Air
10 ( IFB ) Relay Board
11 ( IFB ) Relay Board
12 ( IFB ) Relay Board
13 ( IFB ) Relay Board
14
LH Contactor Steam
# Components Testing
1 ( IFB ) Relay Board
( IFB ) Relay Board
2
(Hi_Lvl Float Closed)
( IFB ) Relay Board
3
(Hi_Lvl Float Open)
( IFB ) Relay Board
4
(Lo_Lvl Float Closed)
( IFB ) Relay Board
5
(Lo_Lvl Float Open)
( IFB ) Relay Board
6
(Hi_Lvl Float Closed)
( IFB ) Relay Board
7
(Lo_Lvl Float Closed)
~ Combi Mode with Heat Light Active ~
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%)
J4 Connector (J4-2) W-2
J4 Connector (J4-2) W-2
J4 Connector (J4-2) W-2
J4 Connector (J4-2) W-2
HA Contactor (A2) White
J6 Connector (J6-2) W-1
J6 Connector (J6-2) W-1
J6 Connector (J6-2) W-1
J6 Connector (J6-2) W-1
Steam Contactor (A2) White
~ Boiler Float Level Troubleshooting ~
Black lead
J8 Connector (J8-2) BK-4
J8 Connector (J8-2) BK-4
J8 Connector (J8-2) BK-4
J8 Connector (J8-2) BK-4
J8 Connector (J8-2) BK-4
J8 Connector (J8-5) V- 5
(To Fill Solenoid)
J8 Connector (J8-6) Bl- 10
(To Fill Solenoid)
Test Points
Black lead 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
J4 Connector (J4-1) RD-2
J4 Connector (J4-3) OR-22
J4 Connector (J4-4) OR-22
J4 Connector (J4-6) BL-1
HA Contactor (A1) Red
J6 Connector (J6-1) RD-1
J6 Connector (J6-3) Y-3
J6 Connector (J6-4) Y-3
J6 Connector (J6-5) RD-16
Steam Contactor (A1) Red
Test Points
J8 Connector (J8-1) RD-4
J8 Connector (J8-3) V-3
J8 Connector (J8-3) V-3
J8 Connector (J8-4) BL-6
J8 Connector (J8-4) BL-6
J8 Connector (J8-1) RD-4
J8 Connector (J8-1) RD-4
B l o d g e t t O v e n
Voltage
AC + DC
24 VDC
24 VDC
24 VDC
24 VDC
24 VDC
24 VDC
24 VDC
24 VDC
24 VDC
24 VDC
24 VDC
24 VDC
24 VDC
24 VDC
Voltage
Red Lead AC + DC
24 VDC
24 VDC
24 VDC
24 VDC
24 VDC
Page 38
0 VDC
0 VDC