39
Malfunctions and their potential causes
Malfunction
Cause
Solution
Mixer does not start up
No mains voltage.
Checking mains voltage
Mortar solidified in the mixing pipe.
Clean mixing pipe.
Overload safeguard tripped
Cable drum: Identify the reason for the
overload, push in the overload switch.
Motor thermal switch triggered: Device
fails to start or stops. Unplug the mains
plug, identify the reason, wait for the
device to cool down. The thermal switch
resets automatically.
No water flow
Dirt trap clogged in the GEKA coupling
Clean the dirt trap
Solenoid valve soiled
Clean the membrane
Solenoid valve defective
Replace the solenoid valve
Pressure reducer closed
Adjust the pressure reducer
Dosing valve closed
Open valve
Water inlet on mixing pipe soiled
Clean water inlet
Consistency varies
Pressure reducer screen is soiled
Clean pressure reducer screen
Dosing shaft is clogged
Replace the pressure regulator
Clean the dosing shaft
Translation of the original instruction