FAULT-FINDING CHART
FAULT
1 NO IGNITION
2 CRACKLING
IGNITION
3 SMELL OF GAS
4 SMELL OF
UNBURNT GAS
AND BAD
COMBUSTION
OF THE
BURNER
5 CONDENSATION
IN THE BOILER
6 COLD
RADIATORS IN
WINTER
CAUSE
A.Gas tap closed
B. Boiler in lock-out mode
C. No flame detection
D.No ignition spark
E. Air inside pipes
F. Safety thermostat intervention
A. Irregular flame
B. Insufficient or wrongly adjusted gas
flow-rate
A.Leak in pipes circuit (inside and
outside boiler)
A.Flue section or height with joint not
suitable for the boiler
B. Excessive gas consumption -
Combustion state is imperfect
C. Flames tend to move away or have
yellow tips
A.Flue section or height not suitable
(excessive size)
B. Boiler operating at low temperature
A.Function selector on summer position
B. Low adjusted or defective room
thermostat
C. System or radiators closed
D.No water warning light on
REMEDY
A. Open gas tap
B. Reset by pressing
C. Call technical service
D. Call technical service
E. Repeat ignition
F. Wait for temperature to lower
A. Call technical service
B. Call technical service
A. Call technical service
A. Call technical service
B. Call technical service
C. Call technical service
A. Call technical service
B. Adjust boiler thermostat at a higher
temperature.
A.Place it on winter position
B. Adjust thermostat at a higher tempe
rature or replace it.
C. Check if system gate valves and
radiators taps are opened.
If item C has been checked with nega
tive result call technical service
D.Call technical service
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