12
4 - Troubleshooting
Issue
Possible Cause
Solution
Machine is not
turning on.
Power cord unplugged.
Plug the power cord into a grounded 20 amp outlet.
Circuit breaker tripped in building.
Reset breaker in building.
Faulty switch or power cord.
Contact a Mytee Service Center.
Poor solution flow.
Jet is clogged.
Unclog the jet by removing and soaking in a vinegar
and water solution. Scrub with a soft brush. Repeat if
necessary.
Blockage or clog in solution line.
Run System Maintainer through machine.
Pump continuous-
ly runs/pulses.
Leak in solution line between pump and cleaning
tool.
Find leak and repair or replace hose if necessary.
Pump switch failure. This can be caused by various
issues:
Contact a Mytee Service Center.
• Nozzle tip clogged or too small, causing rapid
switch cycling.
• Check valve failure between pump and heater
causing hot water to return to pump and damage
switch.
• Pump inlet port is cracked causing pump to suck
in air.
• Damaged pump switch housing.
Water is not
pumping out of
machine.
Vapor lock from turning on heater before pump.
Turn off the heater and allow the machine to cool
completely. After machine has cooled, follow the
machine startup procedure in section 2.4 of this
manual.
Vacuum/pump/
heater not turning
on.
Bad power switch.
Check power switch by transferring wires from the
switch in question to another switch. See if that
switch turns on the component in question. Replace
switch if necessary.
Vacuum not
producing suction.
Vacuum tank is full.
Empty vacuum tank.
Vacuum hose blockage.
Check for blockages in vacuum hoses inside and
outside machine.
Blows water out
exhaust.
Foam building up inside vacuum tank.
Use a defoaming solution in vacuum tank or use low
foam or non foaming detergent/shampoo.
Water is not
getting hot.
Automatic (black) sensor failure causing manual
(white) sensor to trip.
Reset the manual (white) sensor by pressing the
small button on it. If the manual sensor continues to
trip, replace the automatic (black) sensor (part no.
E573).
