Tennant T5 - On-Board Battery Charger Error Codes

TROUBLESHOOTING
PROBLEM CAUSE SOLUTION
Machine will not operate Discharged batteries Charge batteries
Emergency--stop button activated Turnbuttonclockwisetoreset
Faulty battery(s) Replace battery(s)
Loose battery cable T ighten loose cable
Faulty control board Contact Tennant Service 1-800-553-8033
Faulty key switch Contact Tennant Service 1-800-553-8033
Machine fault detected. See Contol Panel Fault Indicator Codes
Onboard battery charger
will not operate
Plug not connected to power supply Check plug connection
Faulty charger fuse Replace charger fuse
Faulty power supply cord Replace cord
Error detected. See On--board Battery Charger Error Codes
Brush motor(s) will not
operate
1--STEP scrub button is off Turn on the 1--STEP scrub button
Brush motor overload See Control Panel Fault Indicator Codes
Discharged batteries Charge batteries
Faulty control board Contact Tennant Service 1-800-553-8033
Faulty scrub head (up/down) switch Contact Tennant Service 1-800-553-8033
Faulty control handle bail switch Contact Tennant Service 1-800-553-8033
Faulty brush motor or wiring Contact Tennant Service 1-800-553-8033
Worn carbon brushes Contact Tennant Service 1-800-553-8033
Broken or loose belt
(cylindrical brush model)
Replace or tighten belt
Machine will not propel Parking brake is set Release parking brake lever
Machine fault detected See Control Panel Fault Indicator Codes
Faulty control board Contact Tennant Service 1-800-553-8033
Wheels raised off floor Contact Tennant Service 1-800-553-8033
Faulty transaxle motor or wiring Contact Tennant Service 1-800-553-8033
Worn carbon brushes Contact Tennant Service 1-800-553-8033
Exceeded maximum incline A void steep inclines and reset key
Vacuum motor will not
operate
Squeegee is raised off floor Lower squeegee
Discharged batteries Charge batteries
Faulty control board Contact Tennant Service 1-800-553-8033
Faulty vacuum motor or wiring Contact Tennant Service 1-800-553-8033
Worn carbon brushes Contact Tennant Service 1-800-553-8033
Little or no solution flow Solution tank is empty Fill solution tank
Clogged solution tank filter Clean solution tank filter
Discharged batteries Charge batteries
Clogged solution valve Remove valve and clean
Faulty control board Contact Tennant Service 1-800-553-8033
T5 –Maintenance
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T5 9002333 REV.02 (07-06) 19
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