16
Problem
Possible Cause
Solution
Battery plug is not connected
Plug the battery plug to the machine.
Check for a loose battery connection.
Check batteries are wired together correctly via the battery connection diagram.
Battery voltage is too low
Charge the battery using the appropriate charger.
Key switch failure
Check key switch is functioning and wiring to the key switch is correct.
Failed Fuse
Check the fuse.
Scrub switch off
Turn on the scrub switch.
Scrub switch failure
Check the scrub switch is functioning and wiring is correct. Replace if necessary.
Battery voltage is too low
Charge the battery using the appropriate charger.
Carbon brushes are worn
Check the carbon brushes, replace if necessary.
Bad wiring connection
Check the wiring going to the motor for a bad or loose connection.
Vacuum switch off
Turn on the vacuum switch.
Recovery tank full
Empty and rinse the recovery tank.
Float valve is stuck
Clean debris or dirt from the float valve.
Vacuum switch failure
Check the vacuum switch is functioning and wiring is correct. Replace if necessary.
Battery voltage is too low
Charge the battery using the appropriate charger.
Vacuum motor carbon brushes are worn
Check the carbon brushes, replace if necessary.
Bad wiring connection
Check the wiring going to the motor for a bad or loose connection.
Solution tank empty
Fill solution tank.
Solution flow lever adjusted too low or off
Lift up on the solution flow lever to increase flow.
Solution tank filter blocked/clogged
Clean solution tank filter.
Solenoid stuck/plugged
Clean solenoid.
Solenoid failure
Check the solenoid is functioning and wiring is correct. Replace if necessary.
Solution vavle broken or out of adjustment
Check valve and linkage.
Air leak
Check recovery tank access lid; drain hose plug; recovery tank clean out.
Worn squeegee blades
Rotate or replace squeegee blades.
Squeegee out of adjustment
Adjust squeegee.
Vacuum hose blocked
Flush and clean the vacuum hose.
Squeegee dirty / blocked
Clean squeegee and remove any debris.
Vacuum motor filter clogged
Clean vacuum motor filter.
Vacuum hose damaged / disconnected
Reconnect vacuum hose to squeegee; replace hose if damaged.
Recovery tank full
Empty and rinse the recovery tank.
Pad / brush worn down
Replace pad / brush.
Using the wrong pad / cleaner
Use chemical product and pad / brush recommended by an APEC distributor.
Pad pressure adjusted to low
Increase pad pressure. (See
"Adjust Pad Pressure"
section)
Pad / brush is dirty
Remove debris from pad / brush. Replace pad / brush if necessary.
Parking brake is engaged
Disengage the parking brake
Traction breaker has tripped
Reset traction breaker.
Using the traction motor with the parking brake engaged.
Check the drive assembly for damaged, loose, or missing parts.
Traction motor carbon brushes are worn
Check the carbon brushes, replace if necessary.
Drive belt is broke / worn
Replace drive belt.
Drive assembly is damaged
Check the drive assembly for damaged, loose, or missing parts.
Bearings are worn
Replace drive wheel bearings.
Using the wrong battery charger
Use the correct 24V battery charger recommended by an APEC distributor.
Charger plugged incorrectly to machine
Plug the charger to the battery "pigtail" cable.
Batterys are too weak / old
Replace batteries.
Machine will not turn on
Pad Motor will not start
Vacuum motor does not
start
Incorrect battery connection
Machine will not move
forward
Traction breaker repeatedly tripps
Solution flow inadequate
or no solution flow
Machine trails water; has
poor or no water pickup
Machine exhibits poor
scrubbing performance
Battery will not charge
Machine Troubleshooting
Summary of Contents for PE310AS
Page 1: ...Walk Behind Autoscrubber PE310AS Operator s Manual...
Page 2: ......
Page 18: ...Electrical Schematic 18...
Page 20: ...Tanks Cover Assembly 20...
Page 22: ...Pad Drive Assembly 22...
Page 24: ...Drive Wheel Assembly 24...
Page 26: ...Squeegee Assembly 26...
Page 28: ...Handle Assembly 28...
Page 30: ......
Page 31: ......