ECU: Electronic Control Unit
These tasks must be performed by a qualified technician
Hand dryer Troubleshooting Guide
Speedflow Plus
The dryer makes a weird
noise
Faulty hand dryer fixation
Check if the silent blocks in the rear part of the
base are properly fixed and if the base is
correctly fixed to the wall. Also check whether
the cover is properly fixed to the base
Damaged motor
Check the coal motor brushes condition and
make sure the motor is working properly
External solids
Check whether any external solid is moving
freely inside the motor or inside the cover
Damaged ECU
Make sure that the ECU is feeding the motor
properly and that no component is damaged.
If not, replace the ECU
The motor does not work
but the heating element
does and it
´s red
The coal motor brushes are
over
Check if the coal motor brushes are well
assembled and in good condition. If not,
replace the motor
The motor is not properly
wired
Check if the motor is properly wired to the ECU
Other motor faults
Check if the motor works properly and if any
component is damaged. If necessary, replace
the damaged component
The dryer blows a low
airflow
The motor speed is set up
to a minimum
Check the speed adjustment potentiometer and
set it to a higher speed
Insufficient voltage value
Make sure the ECU is supplied with the proper
power and the hand dryer is properly grounded
The filter is dirty
Clean the filter or replace it
In other cases
Check if the motor is working properly. If yes,
replace the ECU
The dryer produces
sparks or burning smell
The coal motor brushes are
over
Check if the coal motor brushes are well
assembled and in good condition. If not,
replace the motor
The motor is damaged
Check if the motor works properly and if any
component is damaged. If necessary, replace
the motor
PROBLEM
POSSIBLE CAUSE
SOLUTION