Fault
Insufficient water
Mixer stiff
Mixer dripping
Hot water temperature too
low
Instantaneous heater didn't
work
6
Cause
-Shower filter seal dirty
-Non return valve hasn't moved
back
-Aerator calcified, dirty
-Cartridge defective, calcified
-Cartridge defective
-Hot water limiter incorrectly set
-Flow limiter in handshower isn't
removed
-Filters are dirty
-Non return valve hasn't moved
back
Remedy
-Clean filter seal between
shower and hose
-Exchange non return valves
-Clean aerator, replace as
necessary
-Exchange cartridge
-Exchange cartridge
-Set hot water limiter
-Remove flow limiter
-Clean the filter / exchange
filter
-Exchange non return valves