Troubleshooting - FM Mattsson tronic WMS FMM 1650-1000 Instructions D'installation Et De Montage

EN

Troubleshooting

Fault
No water comes out when
the mixer is
turned on
Mixer does not turn off
The mixer starts running
without being turned on
Water is dripping from
mixer's spout/shower
The sensor flashes yellow
but still works
The sensor flashes red and
doesn't work
The temperature is not
correct
The water pressure is too
low
The mixer does not respond
when temperature is
adjusted
The mixer is activated
by reflective clothing
The shower duration varies
between 1 and 5 minutes
Flushtime is too short or
too long.
32 (40)
Possible cause
Insufficient supply voltage
Blocked inlet filters
Blocked solenoid valve filter
Defective solenoid valve.
Extended/sustained flushing
activated
Hygiene flush in progress.
The yellow LED is flashing
Wrong solenoid valve
Flush time set too high
The mixer is in hygiene flush mode.
The yellow LED is flashing.
Leaking solenoid valve
Water residue in overhead shower
head
Low battery
Flat battery
Incorrect water pressure and
temperature
The temperature limiter function is
set incorrectly
Blocked aerator
Blocked inlet filters
Blocked solenoid valve filter
The mixer is incorrectly connected
or the hot water supply is
incorrectly installed
Nothing is wrong. IR light is
strongly reflected by reflective
material, and this activates the
mixer
Nothing is wrong. The shower
may run up to 5 minutes if
the user is close to the mixer
Nothing is wrong. The flushtime is
adjustable
Action
Replace the battery/Check the voltage
Clean the inlet filters
Clean the solenoid valve.
Replace the solenoid valve
Press a finger against the ring on the sensor
to turn the water off, or wait up to 60 seconds
for the water to stop running.
Wait 3 to 30 minutes or briefly disconnect
the power supply. (Yellow LED flashes during
hygiene flushing)
Replace the solenoid valve
Wait up to 30 seconds Reset the sensor.
Turn off the hygiene flush mode via WMS
Replace the solenoid valve
Adjust the overhead shower head to
horizontal position
Replace the battery
Replace the battery
Set the temperature value to the coldest/
hottest setting and check that the water
pressure and temperature are high enough
Set the temperature limiter to its hottest
setting and check the temperature. Adjust the
temperature limiter
Clean or replace the aerator
Clean or replace the inlet filters
Clean or replace the solenoid valve
The hot water should be connected to the left
side of the mixer
Models with an underlying spout are less
sensitive to reflex clothing
Change the programme or settings via WMS 28, 27
Change settings via WMS
Page
18
22
23
23
17
28, 27
23
28, 27
28, 27
23
18
18
19,
20
19,
20
21
21
23
13
28, 27