MAINTENANCE
443C MM294 (12–91)
22
TROUBLESHOOTING
PROBLEM
PROBABLE CAUSE
REMEDY
Machine does not operate
Power cord not plugged in
Plug into proper receptical
Building circuit breaker tripped
Reset breaker
Power cord/plug damaged
Repair or replace
Electrical malfunction
Call Service Center
Vacuum motor does not
Worn motor brushes
Replace
operate when switch
activated.
Electrical malfunction
Call Service Center
Pump does not run; solution
MODE switch is in wrong position
Move switch to proper position
will not dispense to floor.
Solution tank is empty or low
Fill solution tank
Quick-disconnect not connected
Connect properly
Tank filter is plugged
Remove and clean filter
Solution feed tube is plugged
Remove and clean tube
Electrical or pump malfunction
Call Service Center
Brush does not run
MODE switch is in wrong position
Move switch to proper position
Circuit breaker is tripped
Reset breaker (reduce brush
pressure)
Drive belt broken
Replace
Electrical malfunction
Call Service Center
Brush circuit breaker trips
Excessive brush pressure
Reduce brush pressure
Electrical malfunction
Call Service Center
Brush does not clean floor
Excessive soil may require several
passes to clean
Double scrub area
Brush worn
Replace brush
Improper chemical for job
Select proper chemical
Solution feed will not shut off.
MODE switch in improper position
Move switch to proper position
Pump malfunction
Repair or replace
Poor vacuum pickup or
Squeegee intake slots plugged
Clean
streaking
Improper squeegee adjustment
Adjust
Poor gasket seal on tank cover
Repair or replace
Worn or damaged squeegee
blades
Replace blades
Foam builds up in cover area
and/or foam exits motor
Excessive or improper chemical
used
Drain tank and refill with proper
dilution
louvers
Solution level too high
Reduce solution level below chain
Air leak in cover gasket
Repair or replace
Содержание 443C
Страница 1: ...443C Operator Manual MM294 578 748 Rev 05 06 93 ...
Страница 4: ...CONTENTS 443C MM294 10 91 2 ...