Trouble Shooting - Tennant EX-CAN-15-HPH Manual Del Operario

OPERATION
EN

TROUBLE SHOOTING

PROBLEM
Uneven or no spray from tips.
Leaking floor tool.
Solution pump will not operate.
Poor or no vacuum suction.
Water not heating.
12
CAUSE
Dirty or plugged spray tips.
Improper spray tip size or spray angle. Replace with proper tips. Also check
Worn spray tips.
Pump switch off.
Solution hose not connected.
Quick coupler on floor tool faulty.
Flow control valve leaking.
Hose split or fittings loose.
Solution hose connection not fully
engaged.
Pressure control valve stem worn.
Fuse blown or circuit breaker tripped
in building.
Faulty pump switch.
Loose wiring to solution pump.
Faulty solution pump motor.
Thermal overload activated - motor is
too hot and will automatically shut
down until cool.
Solution pump bearing freezes up,
caused by not greasing.
Fuse blown or circuit breaker tripped
in building.
Faulty vacuum switch.
Drain hose plug open or loose.
Lint is clogging float shut-off screen.
Air is leaking around clear cover lids.
Vacuum hose is loose.
Holes in vacuum hose or hose cuffs
loose on the hose.
Faulty vacuum motor.
Faulty vacuum gasket.
Float shut--off screen activated.
Thermostat failed.
Loose wires to heater.
Limit Thermostat breaker tripped.
Limit Thermostat breaker has failed.
Home Find... Go To..
SOLUTION
Clean or replace tips.
alignment of spray tips so all tips
spray in a straight line.
Replace spray tips.
Turn the pump switch on.
Make sure solution hose is connected.
Replace quick coupler.
Contact Service Center.
Replace hose and tighten fittings.
Reconnect quick coupler.
Contact Service Center.
Replace fuse or reset breaker in
building.
Contact Service Center.
Contact Service Center.
Contact Service Center.
Let motor cool and check what caused
overheat.
Contact Service Center.
Replace fuse or reset breaker in
building.
Contact Service Center.
Plug drain hose and tighten knob.
Remove recovery cover and clean lint
off screen.
Tighten tank lids.
Push hose firmly onto recovery tool
and onto front of extractor.
Replace hose or thread cuffs securely
onto hose.
Contact Service Center.
Replace gasket.
Turn off vacuum, empty tank.
Contact Service Center.
Contact Service Center.
Reset Limit Thermostat.
Contact Service Center.
EX- -CAN- -15- -HPH (04- -10)