Instruction manual

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A
-Modell - 11/12 - Ausgabe 09/11 - 2096161 - BUE-0036-10EN
Troubleshooting
14
14.5 Heater/boiler
In the event of a defect contact the nearest customer service workshop of the
relevant appliance manufacturer. The list of addresses is enclosed with the
accompanying appliance documentation. Only authorised qualified personnel
may repair the appliance.
14.5.1 Truma heater/boiler
Fault Cause Remedy
Heater does not ignite Temperature sensor on
operating unit or remote
sensor defective
Pull out plug on operating
unit. The heater then
works without thermostat.
Contact the customer
service as soon as possi-
ble
Red indicator lamp
"Fault" illuminates
Air in the gas pipe sys-
tem
Switch off and on again.
After two futile ignition at-
tempts, wait for
10 minutes before trying
again
Lack of gas Open regulator tap and
gas isolator tap
Connect a full gas bottle
Defect of a safety ele-
ment
Contact customer service
Red indicator lamp
"Fault" is flashing
Operating voltage too low Charge or replace the liv-
ing area battery (or have
it charged or replaced)
Green indicator lamp be-
hind knob is not lit
Fuse on the transformer/
rectifier is defective
Replace fuse on the
transformer/rectifier
Fuse in the electronic
control unit has been trig-
gered
Contact customer service
Living area battery defec-
tive
Charge or replace the liv-
ing area battery (or have
it charged or replaced)
Yellow indicator lamp on
the energy selector
switch does not illumi-
nate
No supply voltage Check 230 V connection
and fuses
Overheating switch was
triggered
Press overheating switch
Boiler empties, safety/
drainage valve has
opened
Internal temperature be-
low 8 °C
Heat inside
Safety/drainage valve
cannot be closed
Temperature at safety/
drainage valve below
8°C
Heat inside
Red and green indicator
lamps are not lit
Fuse is defective Replace fuse on the
transformer/rectifier
Fan wheel runs noisily or
not steadily
Fan wheel is soiled Contact Truma service
department