Fault Solution Sections - Dunkirk DCBF-100 Manual

Fault Finding Solutions Sections
A
Power supply 120V
1. Main terminals L and N
2.
Integrity of the fuse
3.
PCB - X1 0 connector
Mains terminals L & N
B
120V at PCB -connector x13 pump terminals Blue
to Brown (See Wiring Diagram)
NO
Replace PCB
C
Fan connections correct at fan and PCB
1.
Connectors X11 & X23 See Wiring Diagram
YES
Is there 120V AC at fan terminals connector
X11 blue to brown. See Wiring Diagram

FAULT SOLUTION SECTIONS

NO
Check electrical supply
NO
Replace fuse
NO
Check wiring
NO
Replace PCB
120V between PCB -connector x13 pump
terminal Blue and PCB -connector x11 pump
terminal Black.
(See Wiring Diagram)
NO
Replace PCB
NO
Make connections
YES
Fan jammed of faulty winding
47
Connection OK at
connector x1 0
YES
Main or Display
Display
PCB fault
illuminated
120V at
Pump
NO
Check wiring
YES
Replace fan
PN 240012875 REV. B [07/01/2021]
Replace
Pump