Concordia XPRESS - DC Power Supply Board LEDs

Section 3: Electrical 3033-003B
3-18 Concordia Xpress Technical Support Manual
2900-300B
DC Power Supply Board LEDs
The LEDs on the power supply board indicate the presences of state DC
voltage compared to the expected DC voltage. The LED will illuminate if
there is a rise or drop in current.
Top of Board
LED Color
Voltage
Represented
Associated
Fuse on DC Board
Related
Components
GREEN
Lit during
normal
operation
5Vdc
F16
CPU, ICs, Display, AC
Interface, DC Board, Hall
Effect Sensors
 RED
38Vdc
F19
Group Motors
 RED
38Vdc
F19
Group Motors
 RED
24Vdc
F18
All Fans and Valves, Relays,
Main AC Relays/Contactor
 RED
24Vdc
F18
All Valves & Fans, Relays,
Main AC Relays/Contactor
 RED
15Vdc
Unregulated
F17
No Specific Component. This
supplies the 12Vdc
 RED
12Vdc
F17
Transducer, Display, CPU
Analog Board, Steam Tank
Level Sensor
 RED
12Vdc
F17
Transducer, Display, CPU
Analog Board, Steam Tank
Level Sensor
 RED
5 v vcc
Varying
Controlled
Current
F16
CPU, Display, AC Interface,
DC Board, Hall-Effect
Sensors, Flowmeter
 RED
11Vdc±
4amp
Non-Fused
Refer Chip 1
 RED
11Vdc±
4amp
Non-Fused
Refer Chip 2
 RED
11Vdc±
4amp
Non-Fused
Refer Chip 3
 RED
-12Vdc
F15
CPU, Display, and
Transducer