Chaffoteaux & Maury BRITONY SX 14 FF Installation, Servicing And User's Manual page 30

A
IS
THERE STILL
YES YES
A PROBLEM?
NO NO
NORMAL
OPERATION
FAULTS
1 1
Drawing D.H.W:
insufficient hot water
temperature
Drawing D.H.W:
2 2
noisy operation
Repeated shutdowns
3 3
When cold water tap turned off, the water
4 4
heater ignites
30
POSSIBLE CAUSES
- check gas pressures
- check water flow rate
- check heat exchanger
- heat exchanger faulty or lime-scale deposits
- low heating system water pressure
- check gas pressures
- faulty detection electrodes
- check gas settings
- check flame detection electric circuit
- drop in pressure in the water mains, with
consequent water hammer
FC P011