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27. Troubleshooting
If you cannot rectify a fault or if it is not in the list, please contact our customer service
department!
Fault
Cause
Remedy
Water does not flow
– Water supply interrupted
➯
Restore it
– Water volume regulator closed
➯
Open it
– Power supply interrupted
➯
Restore it
– Filter/non-return valve in dirty or
defective
➯
Clean and replace
if necessary
– Piezo button faulty
➯
Replace it
– Electronics module faulty
➯
Replace it
– Solenoid valve cartridge faulty
➯
Replace it
Water flows continu-
ously
– Solenoid valve cartridge faulty
➯
Replace it
– Flow rate regulator in shower head
blocked with scale
➯
Clean and replace
if necessary
Flow time too short
or too long
– Incorrect flow time setting
➯
Set it
Water too hot
– Scald protection set incorrectly
➯
Set it
– Thermal element faulty
➯
Replace it
Water too cold
– Scald protection set incorrectly
➯
Set it
– Hot water flow blocked
➯
Open it
– Filter/non-return valve in dirty or
defective
➯
Clean and replace
if necessary
– Hot water supply pressure too low
➯
Check it
– Hot water temperature too low
➯
Increase it
– Thermal element faulty
➯
Replace it
Water volume too
low
– Water volume regulator not fully
open
➯
Open it
– Shower head blocked with scale
➯
Clean it
– Filter/non-return valve in dirty or
defective
➯
Clean and replace
if necessary
– Supply pressure too low
➯
Check it
Thermostat controls
unevenly
– Flow rate regulator in shower head
blocked with scale
➯
Clean and replace
if necessary
– Thermal element dirty
➯
Clean it
