15
FAULT-FINDING CHART
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
FAULT
CAUSE
REMEDY
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
. 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
. Irregular flame
B
. Insufficient or wrongly adjusted gas
flow-rate
A
. Call technical service
B
. Call technical service
A
. Leak in pipes circuit (inside and
outside boiler)
A
. Call technical service
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
. Call technical service
B
. Call technical service
C
. Call technical service
A
. Flue section or height not suitable
(excessive size)
B
. Boiler operating at low temperature
A
. Call technical service
B
. Adjust boiler thermostat at a higher
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
A
. Place it on winter position
B.
Adjust thermostat at a higher tempera
ture or replace it.
C
. Check if system gate valves and
radiators taps are opened.
If item
C
has been checked with negati
ve result call technical service
D
. Call technical service
