11 Malfunctions
This explains what action to take in case of malfunctions. The tables provide information about possible
causes and notes on remedial action. Contact the Winterhalter service technician if you are unable to rectify
the fault yourself.
DANGER! Risk of fatal injury due to live components!
Disconnect the machine from the mains and check for the absence of voltage before starting
any electrical work on the machine.
Do not open any machine covers or machine components if you would require a tool to do so.
Electric shock hazard.
Have all work on the electrical system performed by a Winterhalter service technician.
The machine must be disconnected from the electrical mains first.
11.1 Malfunctions; display by symbols on the screen
MTF: Insert the panels at the
end of the loading/unloading
zones.
Detergent drum is empty
1
Rinse aid drum is empty
1
Crockery / washing racks are
backing up at the end of the
conveyor belt or the outfeed table
Release the stop switch (remove
the crockery, washing rack)
Debris filter in dirt trap is blocked
Remove the debris filter and
clean it ( 8.2)
Solenoid valve defective or
blocked; feed pump defective
See RoMatik 420 device
documentation
EMERGENCY OFF switch
pressed
Release the EMERGENCY OFF
switch
Energy optimisation system in the
building switches individual
electrical loads (heating elements)
off.
Wait until the energy
optimisation system in the
building switches itself off
This is only displayed if the container has a container empty indicator that is connected to the machine.
This is only displayed if the dosing equipment has a conductivity detection function. The fault must be
transferred from this dosing equipment to the machine electronic control unit.
This is only displayed if the error output on the RoMatik 420 is connected to the MTR / MTF.
This is only displayed if the machine is connected to an energy optimisation system.