OPERATION
37
T12 9009918 (3--2013)
Problem
Cause
Remedy
Reduced run time
Batteries not fully charged
Charge batteries until the charger
automatically turns off
Defective battery(s)
Replace battery(s)
Batteries need maintenance
See BATTERIES in
MAINTENANCE
Faulty battery charger
Replace battery charger
ec- H2O Model:
Warning and fault indicator
light blinking red
Mineral deposit build--up in module Flush module (See
ec--H2O
MODULE FLUSH PROCEDURE)
ec- H2O Model:
Warning and fault indicator
light solid red
Clogged module
Contact Tennant service
representative
Defective solution pump
Replace solution pump