20
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Problems
6 720 648 592 (2011/06)
8
Problems
Assembly, maintenance and repairs must be performed by qualified technicians only. The following chart offers
solutions to possible problems (solutions followed by an * must be undertaken by qualified technicians only).
Problem
Cause
Solution
The heater does not ignite.
Slow and difficult ignition of
the burner.
Red LED in switch flashes.
Switch turned off.
Reduced water flow.
Flat batteries.
Check switch position.
Check and correct.
Replace batteries.
Water at low temperature.
Check the temperature selector position
and adjust it according to the desired water
temperature.
Water is not heated, no flame.
Insufficient gas supply.
Check reducer, and if inadequate or
malfunctioning, replace it.
Check if the bottles (butane) freeze during
operation, and if so, move them to a
warmer place.
The burner turns off the
heater is operating.
Temperature limiter has tripped.
Flue gas safety device has tripped.
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.
There is spark but the main
burner does not ignite.
No ionisation probe signal.
Check:
• Gas supply,
• Ignition system (ionisation electrode and
electrovalves).
Reduced water flow.
Insufficient water supply pressure.
Dirty taps or mixers.
Gas valve blocked.
Heat exchanger blocked
(limescale).
Check and correct. *
Check and clean.
Clean filter.*
Clean and de-lime if necessary.*
Table 9
