4.1 Basic Troubleshooting
Below you can find a list of common issues and
their respective solutions.
Q: The brushes rotate towards the outside of the
T20 and not towards the centre vacuum channel.
A: The phases have become reversed. Open the
red plug of the T20 and swap positions of the
black and brown wires (L1 & L2)
Q: Machine not cleaning properly.
A: Travelator moving away from T20
A: Vacuum channel Blocked
A: Brushes are worn out.
A: Detergent is empty, detergent filter blocked or
jet nozzles obstructed.
Q: When ‘Auto-Start’ is pressed, Rotomatic (or
ET15B) brushes rotate in the trolley.
A: Travelator Mode is not selected on the
Rotomatic Screen (or the ET15B keyswitch).
Q: Steps are not dry after cleaning
A: Vacuum Channel Blocked.
A: Travelator moves away from T20.
A: Brushes rotate in the wrong direction
(towards the outside of the T20, they must rotate
towards the centre vacuum channel).
A: Transit wheels have not been lifted/T20 does
not sit flat on the travelator (see pg. 9)
A: Vacuum hose not connected properly.
Q: Streaks or stripes on steps after cleaning.
A: One or more jet nozzle is blocked or
obstructed.
A: Detergent Filter is Blocked.
A: Brushes worn out or dirty
A: Vacuum channel blocked or obstructed.
Q: Loud noise coming from machine when
cleaning
?
A: Vacuum motor wet or corroded.
A: Worn roller brush bearings.
A: Guide wheels are worn or out of adjustment.
4. Troubleshooting
31/3/2022
Written and illustrated by Ben Sprules
Rosemor International Ltd 2022 ©
16
If after following the steps in this
troubleshooting section, your
fault still exists, please contact
your local Rosemor
International Service Agent.