Bcx14G Troubleshooting Test Points - Blodgett BCX14G Troubleshooting Manual

BCX14G - Trouble shooting test points
# Components Testing
1 DC Power Supply
2 DC Power Supply
3 BCX2 (Logic Board)
BCX2 (Logic Board) /
4
DC Power Supply
BCX2 (Logic Board) /
5
DC Power Supply
6 (IFB) Relay Board
~ Cool Down Operation at Low Speed ~
# Components Testing
1 Motor Speed Inverter
Mode Switch to
2
BCX2 (Logic Board)
Motor Speed Inverter to
3
BCX2 (Logic Board)
Motor Speed Inverter to
4
BCX2 (Logic Board)
Motor Speed Inverter to
5
BCX2 (Logic Board)
Motor Speed Inverter to
6
BCX2 (Logic Board)
~ Hot Air Mode with Heat Light Active ~
# Components Testing
1 BCX2 (Logic Board)
2 BCX2 (Logic Board)
3 BCX2 (Logic Board)
4 (T1) Top 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
Hot Air Gas Valve
~ DC Voltage Test Points ~
Black lead
Power supply (N)
Power supply (-V)
J1 Connector (J1-1) BK-3
24vdc_Rtn
J1 Connector (J1-1) BK-3
24vdc_Rtn
(-V) Black 24vdc_Rtn
terminal at power supply
J7 Connector (J7-2) Black
Black lead
( N )
Mode Sw Terminal #4 (GY-7)
( Inverter ) Terminal #CW2
(BK-12)
( Inverter ) Terminal # 3
(GY-17)
( Inverter ) Terminal # 2
(GY-18)
( Inverter ) Terminal # 11
(GY-15)
Black lead
J3 Connector (J3-6) GY-3
J4 Connector (J4-1) V-6
J4 Connector (J4-2) Y-1
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
105
Test Points
Red Lead
Power supply (L)
Power supply (+V)
J1 Connector (J1-4) RD-1
+24vdc
(+V) Red +24vdc_H
terminal at power supply
J1 Connector (J1-4) RD-1
+24vdc_H
J7 Connector (J7-1) Red
Test Points
Red Lead
( L )
J1 Connector J1-4 (RD-1)
J1 Connector J1-4 (RD-1)
J1 Connector J1-4 (RD-1)
J1 Connector J1-4 (RD-1)
J1 Connector J1-4 (RD-1)
Test Points
Red Lead
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 HA Spark Box (THS-2)
J4 Connector (J4-4) OR-23
J4 Connector (J4-6) BL-1
Hot Air Gas Valve ( MV) BL-1
Voltage AC
+ DC
115 VAC
24 VDC
24 VDC
24 VDC
24 VDC
24 VDC
Voltage AC
+ DC
115 VAC
24 VDC
24 VDC
24 VDC
24 VDC
24 VDC
Voltage AC
+ DC
24 VDC
24 VDC
24 VDC
(RD-2)
24 VAC
24 VAC
24 VAC
24 VAC
24 VAC
24 VAC
24 VAC