386950CE6CD (07-08)
8
OPERATION
TROUBLE SHOOTING
PROBLEM CAUSE
SOLUTION
Machine does not operate.
Faulty switches or wiring.
Contact Service Center.
Faulty power cord.
Contact Service Center.
Building circuit breaker tripped.
Reset Breaker.
Vacuum motor does not
operate.
Loose or broken wiring.
Contact Service Center.
Faulty vacuum switch.
Contact Service Center.
Defective vacuum motor.
Contact Service Center.
Worn carbon brushes.
Contact Service Center.
Solution pump does not operate. Faulty switch or wiring.
Contact Service Center.
Faulty solution pump motor.
Contact Service Center.
Trigger on wand not pulled.
Pull Solution Trigger.
Quick couplers not fully engaged.
Connect quick couplers.
Faulty pump head.
Contact Service Center.
Flood pump does not work
Faulty switch or wiring.
Contact Service Center.
Float switch tangled in cord.
Untangle cord in vacuum tank.
Filter screen clogged
Clean filter screen under flood pump.
Output of flood pump disconnected.
Connect quick coupler in waste tank.
Flood pump does not discharge
fast enough
Small diameter garden hose
Use ¾” minimum diameter garden hose.
Pump filter screen plugged with debris. Clean filter screen
Check valve plugged with debris
Clean or replace check valve.
Poor solution pick-up.
Recovery tank drain valve open.
Close valve.
Defective recovery tank lid gasket.
Replace gasket.
Clogged float shut-off screen.
Remove recovery tank lid and clean
screen.
Loose vacuum hose connections.
Secure cuffs to hose.
Defective vacuum hose.
Replace hose.
