Troubleshooting - Mytee Lite 8070 User Manual

5 - TROUBLESHOOTING

5.1 - Vacuum Troubleshooting
Vacuum is not turning on.
Possible Cause
Vacuum may not be getting
power.
Vacuum is not producing suction.
Possible Causes
Recovery tank is full.
If the vacuum exhausts but
there is no suction, then
the hose from the recovery
tank to the vacuum motor
is disconnected.
Vacuum hose blockage
(if there is no suction or
exhaust).
Clogged filter in vacuum
tank.
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Solution
Check the electrical con-
nections and the switch.
Look for loose or damaged
wires.
To check the switch:
Unbolt the switch plate.
Take a picture of the layout
of the wires or tagging the
wires for future reference.
Switch the wires from the
vacuum switch with the
wires from either the pump
or heater switch. Turn on
the pump or heater switch
(whichever one you ex-
changed wires with). If the
vacuum turns on, then you
know the vacuum switch is
bad.
Solutions
Empty the recovery tank.
Open the machine and find
the hose running from the
recovery tank to the vacu-
um motor. Check if it is dis-
connected. If so, reconnect
it. If it has a leak, replace
the hose (Part # PH627 if
1.5", PH628 if 2").
Check for blockage in the
hose, starting from the
cleaning tool to the ma-
chine.
Clean out filter regularly.
Drain valve/cap is loose
and is causing air leakage.
Hose cuffs are loose and
causing air leakage.
Lid on tank is loose and is
causing air leakage.
Vacuum blows water out the exhaust.
Possible Causes
Foam building up in the
recovery tank.
There is a loud grinding noise coming from the
Possible Cause
Debris has been sucked
into the vacuum motor
chamber. Usually results
from dry vacuuming.
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16
Tighten the drain valve/cap.
Tighten all hose cuffs reg-
ularly as may loosen over
time. Use a glue to prevent
cuffs from coming loose
(optional).
Make sure the lid is tight.
Solutions
Use a defoaming solution
in the recovery tank.
vacuum.
Solution
Replace the vacuum motor.
To avoid repeat problem,
DO NOT dry vacuum with
your extractor.