540876_A_PUB_DATE_1_FEB_2012.DOC PROGRAMOVACÍ MANUÁL 81
TROUBLESHOOTING
8.7. PROBLEM CHECK LIST
Problem Cause Solving the problem
When the power is switched on :
the display is not illuminated
no external power
the emergency button is activated
the power connector is not connected
on the board
the power connector is inverse
connected
the fuse on the wash computer has
burned
disconnect the input connector A & B
The connector between the CPU and
the I/O board of the wash computer is
either absent or incorrectly pushed in.
Switch on the external power supply
verify the external power to the machine
deactivate the emergency button
connect the power connector
check the wiring and connect the
connector as it must be
if the transformer is broken replace the
wash computer
Check the wiring and the voltage at the
power Connector
If the transformer is still OK change the
Fuse
if the display is lighting up:
verify if the input signals or the +16Vdc
Supply Signal are touching the cabinet
The display is illuminated, but it’s
difficult to read the text on the display.
the brightness is not Ok Change the value for Brightness, Viewing
Angle in the Configuration Menu until you
get a bright display.
The display just shows “Bootloader”but
the application does not run.
There is no SW loaded in the application Load the application software from the
USB flash drive
The machine is not responding on
pressing the keyboard buttons
no button is functional
there is no beep signal when the
buttons are pressed
check if the connector „K“ of the keyboard
is well connected
check if the connector „K“ of the keyboard
is well connected
The machine is not behaving as
expected
if the wrong machine type is selected
the wrong outputs will be activated
check if the right machine type is selected
in the Configuration Menu.
A program is started, but the outputs
are not activated
check if connector „R“ is connected connect the connector at the correct
position
Wait is displayed and a counter is
counting down
this is a wait state caused by a power
interruption or a safety sequence at the
end of the process
wait until the counter has reached 0
do not switch off/on the power again as
you will restart the counter
Unload is displayed and the Door is
Open
Check if the „Door Switch“ is still
closed
If the „Door Switch“ is broken, replace the
Door Switch“
Wrong water level
(the water level sensor must not be
calibrated)
check if the programmed water levels
are the correct ones
check if the right machine type is
selected in the Configuration Menu
you have changed the machine type,
but the standard water levels do not
change
set the right water levels
select the right machine type in the
Configuration Menu
the standard water levels can only be
reinitialized by programming new values or
by loading the Standard Wash programs
again.
The drum is not turning
(No error message will be generated)
Check if the belt is broken
Check the applied motor voltage
Check if the motor is still functional
Check the Inverter
Check the tension of the belt or replace
the belt
repair the motor power supply circuit
change the motor if needed
send a request for more info to the
manufacturer
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