Fault
Insufficient water
Mixer stiff
Mixer dripping
Instantaneous heater didn't work
Hot water temperature too low
Cause
– check valve hasn't moved back
– filter insert shower dirty
– Shower filter seal dirty
– Cartridge defective, calcified
– Cartridge defective
– check valve hasn't moved back
– Hot water limiter incorrectly set
Remedy
– Exchange check valves
– Clean filter insert between shower
and hose
– Clean filter seal between shower
and hose
– Exchange cartridge
– Kartusche austauschen
– Exchange check valves
– Set hot water limiter
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