34
Maintenance
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; temperature
should be between 160°F and 180°F
(See Wash Solution Is Not Heating Section)
Low detergent concentration
less than 9 pH.
Should be 10-11 pH
Add 1-2 scoops of detergent and observe cleaning
performance; add 1-2 scoops
if necessary.
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 matches unit voltage.
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 necessary.
FOAMING
Machine operating with cold water Bring water up to correct temperature.
Grease, high detergent motor oils,
transmission oil, gear lubes,
synthetic oils
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
Monitor soap concentration and correct as
needed.
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).
Cuda 2840 Operator’s Manual 8.930-370.0 - AU
To Next Page
