Troubleshooting Guide - Champion UH130 Installation/Operation Manual With Service Replacement Parts

8
Test/Condition
1. Run LED is lit
Machine is powered up and Run LED
is not lit
Machine is powered up and Run LED
is not lit after unplugging the low
voltage plug
2. Wash pump runs but nothing else works
3. Check continuity of the start switch
Check continuity of the scrub switch
Check continuity of the cycle light
Check continuity of the scrub light
Check continuity of door safety switch
4. Fill LED is lit
5. Select the appropriate setting on the
dipswitch for the model of machine
the solid state timer will be installed in
6. Use the skip switch to force the timer
to the next segment of the cycle
7. Use the reset button to reset the solid
state timer board
8.
0.063 amp internal board supply fuse
is blown
9. Wash motor LED is lit
Wash motor LED is not lit, but wash
motor runs continuously
1
5
9
2
Indication/Cause
Board has power
Possible bad start switch, scrub switch
or wiring short (does not apply to S.S.
Pizio switch on models
(UH130, UH130B, UH230, UH230B)
4 amp board output fuse is blown
15
17
EWL
16
8 7 6 5
4 3 2 1
19 20
18 SS
EWS
15
DSS
LOW VOLTAGE SECTION
2 AND 5 VDC
Fig. 1
Indicates output voltage to fill valve
Note: This solid state timer board is used for
several different models
The reset button will reboot the solid state timer
board (much like rebooting your computer)
Indicates output voltage to the wash motor during
wash/rinse cycle only.
LED is not lit during soft start
All Models - Timer Board Troubleshooting

Troubleshooting Guide

Troubleshooting Timer Board P/N 0712105
7
4
Recomendation/Solution
Unplug low voltage plug. If Run LED lights up:
The start switch or scrub switch failed in the closed
position, or there is a wiring short
Check voltage
Replace the 4 amp fuse. Check for wiring problem
Use plug pin #8, wire #15 as common to plug pin # 1,
wire #20 (see Fig.1)
Use plug pin #8, wire #15 as common to plug pin # 3,
CL
wire #19 (see Fig.1)
Use a meter with diode setting - to cycle light, plug
pin # 6, wire #16 and common pin # 8, wire # 15
Use a meter with diode setting - to scrub light, plug
pin # 7, wire #17 and common pin # 8, wire # 15
Use a meter with diode setting - to door safety switch,
plug pin # 4, wire #18 and common pin # 8, wire # 15
Set dipswitch to FWR for models UH230, UH230B
Set dipswitch to F&D for models UH130, UH130B, UL130
Eg: Pressing the skip switch immediately after starting
the cycle will make the machine skip the wash cycle,
and go straight into the drain cycle
Replace the solid state timer board
Replace the board
June 2010
6
3
105