OPERATION
Tennant 3620 (01–02)
11
TROUBLE SHOOTING GUIDE
PROBLEM
CAUSE
SOLUTION
The machine does not
move forward.
Drive belt is broken.
Replace belt.
The main brush is not
The motor has burnt out.
Replace motor.
spinning.
A wire is detached.
Repair connection.
The side brush is not spin-
ning.
The belt is broken.
Replace belt.
The battery does not stay
The liquid is insufficient.
Add liquid.
charged.
The terminal is loose.
Tighten terminal.
Dust comes out of the fan. The filter is broken.
Replace filter.
The filter is in the wrong position.
Position correctly.
The gaskets are worn.
Replace gasket.
The brushes wear out too
quickly.
The brushes are too low.
Adjust brush height.
Dust forms during opera-
The flaps are worn.
Replace flaps.
tion.
Clogged filter.
Cleaning required.
The suction motor does
The motor has burnt out.
Replace motor.
not work.
The wire is disconnected.
Repair connection.
The machine does not
The battery terminals are disconnected.
Reconnect terminals.
turn on.
The battery is discharged.
Recharge battery.
