25 Troubleshooting
Problem
Cause
What to do
Cleaner
operates but
does not
maintain set
temperature
Malfunctioning heater or
sensor components.
Call Qsonica, LLC. Tech
Support
Cleaner
operates but
display does
not function.
Interrupted calibration
sequence.
C
- timer board
malfunctioning.
Press SET DISPLAY
Call Qsonica, LLC. Tech
Support
Cleaner
stops
operating
and display
blinks “75”.
Overheat condition.
Turn cleaner off. Allow
cleaner to cool, check
solution level, then restart.
Refer to
Optimizing Your
Cleaner.
Decreased
ultrasonic
activity.
NOTE:
Refer to
page 27 for
cavitation
check.
Solution is not degassed.
Solution is spent.
Solution level is incorrect
for load.
Tank bottom is covered
with soil particles.
Using deionized water in
the tank.
Make sure that tank was
filled with warm tap water
plus cleaning solution and
has run 5-10 minutes.
Change solution.
Adjust solution to within 3/8
inch of the tank’s operating
level line with load.
Empty, then clean tank with
warm water. Wipe with a
nonabrasive cloth.
Deionized water does not
cavitate as actively as
soapy tap water.
WARNING
High voltage inside - dangerous shock hazard.
DO NOT attempt to disassemble or repair the cleaner.