Troubleshooting - Tennant B5 Operator's Manual

MAINTENANCE

TROUBLESHOOTING

PROBLEM
Service indicator symbol
is flashing.
No power
Machine does not propel
(Drive Model)
Pad motor does not
operate
Vacuum motor does not
operate
(Active Dust Collection
Model)
Push model is not brush
assisted
Battery charger will not
operate
Poor burnishing
performance
Short run time
Machine vibration
28
CAUSE
Machine or on- board battery charger
fault has been detected
Emergency stop button activated
Batteries discharged
Loose or disconnected battery cable
Circuit breaker tripped
Faulty key switch
Propel fault has been detected.
Circuit breaker tripped
Faulty propel motor or wiring
Worn carbon brushes in motor
Low voltage interrupter activated
Pad motor fault has been detected.
Faulty pad motor or wiring
Worn carbon brushes in motor
Vacuum motor fault has been detected See SERVICE INDICATOR CODES in manual
Faulty vacuum motor or wiring
Circuit breaker tripped on vacuum
Burnishing head angle not properly
adjusted
Batteries over discharged
Battery charger fault detected
Faulty charger
Worn pad
Pad pressure incorrect
Low battery charge
Batteries need maintenance
Defective battery or end of battery life
Battery discharge indicator (BDI)
programmed incorrectly
Pad pressure too high
Faulty charger
Pad not properly centered
Improper pad for application
Pad unevenly worn
Soiled pad
Worn head lift bracket bushings
SOLUTION
See SERVICE INDICATOR CODES in manual
Turn button to reset
Recharge batteries
Secure battery cable connections
Reset circuit breaker
Contact Service Center
See SERVICE INDICATOR CODES in manual
Reset circuit breaker
Contact Service Center
Contact Service Center
Recharge batteries
See SERVICE INDICATOR CODES in manual
Contact Service Center
Contact Service Center
Contact Service Center
Reset circuit breaker button
Contact Service Center
Replace batteries
See SERVICE INDICATOR CODES in manual
Replace charger
Flip or replace pad
Adjust pad pressure
See Setting Pad Pressure
Charge batteries
See BATTERY MAINTENANCE.
Replace batteries
See CHARGING BATTERIES
Decrease pad pressure
See Setting Pad Pressure
Replace battery charger
Remove and reinstall pad
Change to proper pad
Replace pad
Replace pad
Inspect, replace bushings
Tennant B5/B7 (07- 2014)