20
B029
2.
FAULT FINDING
1) There is sufficient
water in the system
2) The gas is turned on
3) The electricity to the
boiler is on
Preliminary Checks
Make sure that:
HAS
THE LIGHT fOR
THE POWER SUPPLY
COME ON?
SETTING
FOR THE OPERATING
MODE
IS HOT
WATER BEING
DEMANDED?
NO
NO
WINTER
SUMMER
FUME DISCHARGE TEST
NO
YES
YES
YES
NO
NO
YES
YES
1)Check thefuses
2)Check thepower
supply cord,plug and
outlet
3)Check/replacethepower
supply PCB
Press the
On / Off Button
FOR BOILERS
EQUIPPED WITH AN
ELECTRONIC ANT-FREEZE
SYSTEM: HAS THE SAFETY BEEN
TRIGGERED TO ACTIVATE
THE DEVICE?
(T sensor <5°C)
FOR BOILERS
EQUIPPED WITH AN
ELECTRONIC ANT-FREEZE
SYSTEM: HAS THE SAFETY BEEN
TRIGGERED TO ACTIVATE
THE DEVICE?
(T sensor <5°C)
DO THE
PROGRAMMING
TIMER AND/OR EXTERNAL
THERMOSTAT NEED
TO BE ACTIVATED
A
IS HOT
WATER BEING
DEMANDED?
It is possible to detect and correct any defect by using the standard fault
finding diagrams described in this chapter.
2.1
Fault Finding Guide
(Flow-chart)
