19. Replacing the stop valve O ring
19.1 Interrupt the water supply.
19.2 Remove the cover plate (see
19.3 Remove the locking ring (a) on the inside using appropriate pliers for internal locking
rings.
19.4 Unscrew the stop valve (b) using a screwdriver.
19.5 Replace the O ring (c).
19.6 Reassemble in reverse order.
20. Troubleshooting
Fault
Water does not flow
Water flows conti-
nuously
Flow time too short or
too long
Water volume too low
Water volume too high – Incorrect flow time setting
If you cannot rectify a fault or if it is not in the list, please contact our customer
service department!
Chapter
17.).
Cause
– Water supply interrupted
– Water volume regulator closed
– Power supply interrupted
– Solenoid valve faulty
– Sensor faulty
– Range set incorrectly
– Electronics module faulty
– Dirty solenoid valve
– Solenoid valve faulty
– Incorrect flow time setting
– Solenoid valve faulty
– Water volume regulator not fully
open
– Supply pressure too low
– Incorrect flow time setting
– Flushing flow set incorrectly
– Flushing flow set incorrectly
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Remedy
➯ Restore it
➯ Open it
➯ Restore/replace it
➯ Replace it
➯ Replace it
➯ Set it
➯ Replace it
➯ Clean it
➯ Replace it
➯ Set it
➯ Replace it
➯ Open it
➯ Check it
➯ Set it
➯ Set it
➯ Set it
➯ Set it