Model D1976
(DW 955)
Page
Date
2000-06
5
FAULT CODES
Blinking lights and an F-code in the LED window indicate a machine fault.
Code Blinking Lights Problem
F1 L3 and L7 Heating element
F2 L1–L8 Overfill
F3 L4 and L5 Thermistor fault (heater control)
F4 L1–L4 Water inlet
FAULT-TRACING PROGRAM
The functions of the electrical components can be tested by pressing S6 five times then pressing one
of the following:
Press to test
S2 inlet valve 2
S3 inlet valve 1
S4 combi-dispenser
S5 heating element
S6 circulation pump
S7 outlet pump
S8 fan motor and wax motor
Stop the fault-tracing program by pressing S13.
LINKS ON THE PROCESSOR BOARD
(for program variations)
These diodes should be cut for proper U.S.iInstallation:
Link 955: DW955, processor board layout
Link USA: USA processor board layout
S = Pushbutton switch L = Indicator light
PROGRAMS