Instruction manual

243T-Modell - 13/14 - Ausgabe 08/13 - 2354677 - BUE-0029-14EN
Troubleshooting
14
14.6.3 Alde heater/boiler
Green and red indicator
lamps flash after switch-
ing off
Appliance was switched
off by a fault
Wait for the appliance to
run down. Then switch
on the appliance and
switch off again
Green indicator lamp
flashes after switching off
Run-down for cooling of
the appliance active
Wait for appliance to run
down (approx. 5 minutes)
Safety/drainage valve
opens after switching off
Internal temperature be-
low 3 °C
Heat inside
Safety/drainage valve
cannot be closed
Temperature at safety/
drainage valve below
7°C
Heat inside
Rotary switch in "Off" po-
sition
Turn rotary switch to an
operating mode
Water flows intermittent-
ly from the drain neck
Water pressure too high
(over 2.8 bar)
If connected to a central
water supply, install a
pressure reducer
Contact customer service
Z If a fault occurs in the system, the cause is shown on the display.
Fault Cause Remedy
Heater does not ignite
with gas operation
Lack of gas Open regulator tap and
gas isolator tap
Connect a full gas bottle
Heater does not ignite Battery voltage too low Charge battery. If the
battery voltage rises
above 11 V, the heater is
switched on automatical-
ly
Heater does not ignite at
230 V electrical operation
No 230 V power supply Switch on the 230 V au-
tomatic circuit breaker
Connect the 230 V power
supply
Heater switches off Overheating Allow the heater to cool.
To reset the display, in-
terrupt the 12 V power
supply to the heater and
switch it back on again
Heater running, but no
heat at the convectors
Circulating pump does
not work
Switch on room thermo-
stat
Contact customer service
Heater and circulating
pump running, but no
heat at the convectors
Air in the heating system Bleed hot-water heater
Fault Cause Remedy