Problems
7
Problems
7.1
Problem/cause/solution
Assembly, maintenance and repairs must be performed by qualified technicians only. The following chart offers solu-
tions to possible problems (solutions followed by an * must be undertaken by qualified technicians only).
Problem
Cause
Solution
The heater does not ignite and dig-
ital display is turned off.
Slow and difficult ignition of the
burner.
Red LED in switch flashes.
Batteries flat or not inserted correctly,
or switch turned off.
Flat batteries.
Flat batteries.
Check battery position and/or replace them,
check switch position.
Replace them.
Replace them.
Water at low temperature.
Check the temperature selector position and
adjust it according to the desired water tempera-
ture.
Water is not heated, no flame.
Insufficient gas supply.
Check reducer, and if inadequate or malfunction-
ing, replace it.
Check if the bottles (butane) freeze during opera-
tion, and if so, move them to a warmer place.
The burner turns off the heater is
operating.
Temperature limiter has tripped (dig-
ital display shows “
E9
”).
Monitoring device of combustion
gases evacuation has tripped (digital
display shows “
A4
”).
Wait 10 minutes and restart the heater. If the
problem persists, call a qualified technician.
Vent the area. Wait 10 minutes and restart the
heater. If the problem persists, call a qualified
technician.
Incorrect temperature informa-tion
in the appliance digital display.
Insuficient contact of the temperature
sensor.
Check and correct the temperature sensor
assembling.
Digital display shows “
E1
”.
Water temperature sensor has tripped
(outlet water temperature above 85
°C).
Reduce the water temperature using the power
and/or temperature adjustment selector. If the
problem persists, call a qualified technician.
Digital display shows “
A7
”.
Temperature sensor incorrectly con-
nected.
Temperature sensor defective.
Check and correct connection.
Replace the temperature sensor.
Blocked heater.
Digital display shows “
F7
” or “
E0
”.
Turn the heater off and on, if the problem persists,
call a qualified technician.
There is spark but the main burner
does not ignite, heater blocked.
No ionisation probe signal (digital dis-
play shows “
EA
”).
Check:
• Gas supply.
• Ignition system (ionisation electrode and elec-
trovalves).
Blocked heater, digital display
shows “
F0
”.
Supply (switch or battery replace-
ment) was activated with a hot water
tap running.
Turn the water off and on. If the problem persists,
call a qualified technician.
Reduced water flow.
Insufficient water supply pressure.
Dirty taps or mixers.
Gas automatic blocked.
Heat exchanger blocked (limescale).
Check and correct. *
Check and clean.
Clean filter.*
Clean and de-lime if necessary.*
Tab. 7
