Troubleshooting Low/No Spray Symptoms Pages - Bissell ProHeat 2X 8920 Series Service Center Manual

TROUBLESHOOTING LOW/NO SPRAY SYMPTOMS
With the SmartClean™ dial set to rinse insert the formula tank into the unit in
place of the water tank in the front auto load receiver. Do not put the tank in the
rear auto load receiver. The rear auto load receiver may remain empty as long as
the unit is set to rinse. Putting the smaller formula tank in the front receiver leaves
more room to see the receiver is making proper contact with the cap and insert.
Turn the unit on and see if it sprays. If it does the tank is warped and needs to be
replaced.
Place the filled solution and water tanks onto the unit.
Look for bubbles coming into the water tank. If bubbles are coming into the tank from
the auto load receiver, the receiver may have a bad welded seam. Replace the auto load
receiver.
Plug unit in and turn it on.
Turn the SmartClean™ setting to rinse. The rinse setting is a positive off and will
eliminate the formula tank from the spray system so that the pump will only draw from
the water tank. If the unit will spray when set to rinse but not when set to normal there
may be something wrong with the formula tank, auto load receiver, or seal.
Turn unit off.
Remove the recovery tank top, place recovery tank bottom back on unit, turn unit back
on, and check for spray. The recovery tank becomes negatively pressurized when the unit
is running. Removing the top eliminates that pressure and makes it easier for the pump to
work. The pump is likely faulty if the unit will not spray with the top on but will spray
after it is removed.
**If the unit is equipped with solenoid valves that operate the
SmartClean™ system you may want to check their operation and
assembly before removing the access cover.
Refer to the section on "TAKING THE UNIT APART" beginning on page 11 before
proceeding.
Check operation of the solenoid valves. Pulling the trigger should energize the solenoid
that is located in the base of the unit next to the heater (110 volts should be sent to each
solenoid valve after it is energized). Some units will also have two solenoids as part of
the SmartClean™ system. Switching the SmartClean™ dial to high traffic should
energize both of those solenoids.
Check all internal components to ensure proper assembly.
Issued: September, 2005
© 2005 BISSELL Homecare, Inc.
Bissell ProHeat 2X™ Service Center Guide
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