21. Troubleshooting
Fault
Water does not flow
Flow time too short or
too long
Water flows conti-
nuously
Water too hot
Water too cold
Water volume too low
Thermostat controls
unevenly
If you cannot rectify a fault or if it is not in the list, please contact our customer
service department!
Cause
– Water supply interrupted
– Water volume regulator closed
– Functional element faulty
– Dirty filters/non-return valves
– Incorrect flow time setting
– Functional element faulty
– Flow rate regulator in shower head
blocked with scale
– Scald protection set incorrectly
– Thermal element faulty
– Scald protection set incorrectly
– Hot water flow blocked
– Dirty filters/non-return valves
– Hot water supply pressure too low
– Hot water temperature too low
– Thermal element faulty
– Water volume regulator not fully
open
– Shower head blocked with scale
– Dirty filters/non-return valves
– Supply pressure too low
– Flow rate regulator in shower head
blocked with scale
– Dirt in thermal element
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Remedy
➯ Restore it
➯ Open it
➯ Replace it
➯ Clean and replace
if necessary
➯ Set it
➯ Replace it
➯ Clean and replace
if necessary
➯ Set it
➯ Replace it
➯ Set it
➯ Open it
➯ Clean and replace
if necessary
➯ Check it
➯ Increase it
➯ Replace it
➯ Open it
➯ Clean it
➯ Clean and replace
if necessary
➯ Check it
➯ Clean and replace
if necessary
➯ Clean it