Foerster TAK5-CH1-25, Instruction Manual

Page: 173 / 226

Failures and warnings 173
If there is no explanation for the failure, service personnel should
check the automatic feeder for lime deposits resp. other sources
for defect.
The failure message on the right is displayed:
> Check the heating.
> Also check the temperature value in the mixer for min. temp.
12.1.3 Temperature too high
If the temperature of the boiler water is too high, the failure mes-
sage on the right will be displayed.
1. Press to check the temperature.
2. In water bo. start? keep pressed. Drain the boiler water
into the mixer until the displayed failure message disappears.
3. To empty the mixer, in mixer: empty? press .
If you provide the boiler with pre-heated water, please check
whether the temperature of the supplied water is too high.
If there is no explanation for the failure, let service personnel
check the automatic feeder.
12.1.4 Heat exchanger not filled
At start-up of the automatic feeder the control checks whether
the heat exchanger is filled with water. If this check fails, feeding
will be broken off.
1. Check the water supply.
2. In HE fill? press .
3. Check whether the supply electrode resp. the bar elec-
trode is touched by the water jet during heat exchanger filling
and the display shows „covered“.
4. Check, if necessary, whether the supply resp. the bar
electrode are touched by the water jet when pressing in
water bo. start? .
failure
heating xx.x
o
C
failure
temperature too high
temperature too high
boiler: xx.x
o
C
water bo.: start?
mixer: empty?
failure
HE not filled
HE not filled
HE: fill?
mixer: empty?
water HE: start?