15
CAUSE
FAULT
FAULT-FINDING CHART
A
Gas cock closed
B
Lock-out button in lock-out position
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
delivery
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
Summer-winter switch on summer position
B
Low adjusted or defective room thermostat
C
System or radiators closed
D
Lack of water warning light on
A
Low adjusted hot water temperature
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
7
POOR HOT WATER
SUPPLY
A
Open gas cock
B
Reset by pressing it
C
Call technical service
D
Call technical service
E
Repeat ignition
F
Wait for the temperature to drop
A-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 temperature.
C
Check if system gate valves and radiators
cocks are opened. If item C has been
checked with negative result call technical
service
D
Call technical service
A
Adjust hot water thermostat at a higher
temperature.
REMEDY