CUDA 2848 - SECTION 4: TROUBLESHOOTING; Troubleshooting Common Issues

8.930-369.0 • 2848 • Rev. 4/13a
PARTS WASHER Troubleshooting Guide
20
SECTION 4: TROUBLESHOOTING
PROBLEM POSSIBLE CAUSE SOLUTION
POOR
CLEANING
PERFORMANCE
Parts are obstructing each other Check the position of parts on turntable;
position parts to allow flow of cleaning
solution around and between them.
Low water level in sump Check sump water level and add water
if necessary.
Clogged or improperly aligned spray
nozzles
Check the spray nozzles for obstructions
and alignment; clean and align if necessary.
Wash solution is not properly heated Check wash solution temperature; tempera-
ture should be between 160°F and 180°F
(See Wash Solution Is Not Heating Section)
Low Detergent concentration 10-11 pH
Pump is not operating properly See Pump Does Not Operate Properly
section.
WASH
SOLUTION
IS NOT
HEATING
Blown fuse Check the electrical panel for a blown fuse.
Thermostat is set incorrectly Check the thermostat setting; set to 180°F.
Line voltage is too low Contact a licensed electrician to verify that
the line voltage is between 208V and 240V.
Excess debris is built up around
heating element
Check for debris build up around the heating
element; clean out if necessary.
(See Cleaning Out the Sump Section).
Failed heat timer Test the heater timer; replace if necessary.
Failed thermostat Test the thermostat; replace if necessary
(See Thermostat Section).
Failed heating element Test the heating element; replace if neces-
sary.
FOAMING
Machine operating with cold water Bring water up to correct temperature.
Grease, high detergent motor oils,
transmission oils, synthetic oils, gear
lubes,
Do not place oil pan
or transmission pan.
Not enough detergent Add more detergent,
check pH level. Use defoamer.
WHITE
POWDER
ON PARTS
Solution is old Change sump water and recharge with
fresh detergent and vapor corrosion inhibitor.
Water hardness and TDS
(totally dissolved solids)
Use a water softener and/or change
your sump water more frequently.
Large parts can dry before solution
runs off, leaving powdery residue
Turn heat down to approximately 140°.
WASH
SOLUTION IS
TOO HOT
Thermostat is incorrectly installed Check the thermostat to ensure that it
is correctly installed into the mounting
bracket. (See Thermostat Section).
Failed thermostat Replace the thermostat
(See Thermostat Section).