I-1024
Rev. G-43816
Page 16 of 16
3/23/18
Troubleshooting
Symptom Probable
Cause
Remedy
No power is being supplied
to the unit
1.
Trigger Cables connected to the wrong
place on the machine.
2.
Switch on bottom of unit is turned off.
(Some units may not have a switch)
3.
Power is not cycling on the machine
properly.
4.
Trigger/Power cable is damaged from
installation.
1.
Check wiring diagram for proper connection and
contact dish machine manufacturer for correct
trigger placement.
2.
Make sure switch is turned on.
3.
Check with the dish machine manufacturer if all
power should have been restored to the unit to see
if there is an issue with the machine.
4.
Turn power to the dish machine off and inspect the
cable for any possible damage done.
Pumps are not priming like
they should be or not
holding a prime
1.
Hole in the tubing from the chemical
container to the pump head.
2.
Hole in the squeeze tube in the pump
head.
3.
Fitting is not tight on the tubing
1.
Check the tubing from the chemical container to
the pump head for leaks by feeling the tubing for
chemical that has leaked out. Replace the tube if
necessary.
2.
Replace the squeeze tube after inspecting it for a
possible hole or leak.
3.
Check both the inlet and outlet fitting and tighten if
necessary to create a good seal.
Pump over feeding
1.
If in concentration or probe mode,
feed rate may not be set correctly.
2.
If in concentration or probe mode,
probe cable may not be connected
properly.
3.
If a probe is being used, scale could be
built up on the probe.
4.
Range of set point is too low.
1.
Check the programming for the feed rate.
2.
Check the probe cable connection points and make
sure it is connected properly.
3.
Clean Probe.
4.
Check set point in programming.
Pump under feeding
1.
If in concentration or probe mode, the
probe cable may be shorted.
2.
If a probe is being used, scale would
be build up on the probe.
3.
Range of set point is too high.
1.
Check the probe cable for any possible shorts and
correct the issue where necessary.
2.
Clean Probe.
3.
Check set point in programming..
Rinse/Sanitizer pump not
running
1. Speed turned off.
1. Check the programming to see the speed setting
and make sure it is on the proper setting.
Warranty
Merchandise Returns
No Merchandise will be Returned for Credit Without DEMA’S Written Permission. Returned Merchandise
Authorization Number is Required in Advance of Return.
Product Warranty
DEMA products are warranted against defective material and workmanship under normal use and service
for one year from the date of manufacture. This limited warranty does not apply to any products that have
a normal life shorter than one year or failure and damage caused by chemicals, corrosion, physical abuse,
or misapplication. Rubber and synthetic rubber parts such as “O”-rings, diaphragms, PVC tubing, and
gaskets are considered expendable and are not covered under warranty. This warranty is extended only to
the original buyer of DEMA products. If products are altered or repaired without prior approval of DEMA,
this warranty is void. Defective units or parts should be returned to the factory with transportation prepaid.
If inspection shows them to be defective, they will be repaired or replaced without charge, F.O.B. factory.
DEMA assumes no liability for damages. Return merchandise authorization number must be granted in
advance of returned units for repair or replacement (See “Merchandise Returns” above).