Mediclinics Speedflow Plus User manual

Hand dryer Troubleshooting Guide
Speedflow Plus
ECU:
Electronic Control Unit
These tasks must be performed by a qualified technician
The dryer does not work
No electricity supply

Check if the master switch has not been
triggered

Check that the equipment is correctly plugged

Make sure it has the proper power
Faulty
installation

Check if all the wiring connections to the
terminal block are OK
The
LED sensor is dirty

Make sure the LED sensor visor is completely
clean
Other
possible causes

Check if the cover fits well with the base, is
fixed with the screws and does not interfere
with the detectors

Check the coal motor brushes condition and
make sure the motor is working properly

Check whether any external object is blocking
the rotor

Make sure that the ECU is feeding the motor
and no component is damaged
The dryer starts
automatically
The
LED sensor is dirty

Make sure the LED sensor visor is completely
clean
Over
-sensitivity

Adjust the detection distance in the ECU by
turning the potentiometer
Cover
not properly fixed

Check if the cover fits neatly on the base, is
fixed with the screws and does not interfere
with the detectors. Note: to fix the cover to the
base, tighten the screws from within.
The dryer runs
continuously (non-stop)
Over
-sensitivity

Adjust the detection distance in the ECU by
turning the potentiometer
The
LED sensor is dirty

Make sure the LED sensor visor is completely
clean
Other
possible causes

Make sure that the ECU is feeding the motor
and no component is damaged

Check if the cover fits neatly on the base fixed
with the screws and does not interfere with
the
detectors. Note: to fix the cover to the base,
tighten the screws from within.
The
dryer works on and
off
The
ECU does not work
properly

Make sure that the ECU is feeding the motor
properly and no component is damaged

Check if all the wiring connections are right
The dryer blows cold air
The
heating element is
disconnected
Move the switch to connect the heating element
The internal
temperature
exceeded the maximum

Wait for a couple of minutes and then restore
the thermal protection of the heating element
Damaged
heating
element

Check the heating element and replace it if
necessary
PROBLEM POSSIBLE CAUSE SOLUTION

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