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19.7 - FIRE OPERATES FOR A WHILE THEN GOES OUT
a.
Check the supply pressure is correct at the isolation elbow with all other gas appliances working. If the pressure is low or fluctuating up
and down check gas pipe sizing, quality of pipe bending. Check for debris in the gas supply, pilot pipe and or gas filter if fitted.
b.
Carry out a spillage test from cold. Look for signs of Discoloured Walls or Trims as this may be an indication of a Downdraught Problem.
c.
Establish how long the fire stays alight then repeat the Spillage Test around this time.
d.
For a Thermatronic System check that the Control is functioning correctly as detailed in 19.2 specifically the Thermocouple Electrical
Connections and Pilot Flame size.
Downdraught problems can be related to the condition of the flue, chimney termination or geographical location and so if a
Flue Problem is thought likely but no problem is found during the investigation isolate the fire and seek expert advice.
19.8 - THERMATRONIC RADIO FREQUENCY CONTROL SYSTEM DOES NOT OPERATE
a.
Check the radio frequency control is being correctly operated - see section 2.4
b.
Check for error messages and check batteries - see section 2.5
c.
Reset the Mertik Maxitrol Logic Circuits - see section 2.6
Important :
In instances where it is indicating that the main control system needs changing, you should investigate returning the
whole Burner Control Assembly to Nu-Flame for rectification as this could be the least cost option.
ALWAYS CONDUCT A GAS SOUNDNESS AND SPILLAGE CHECK AFTER SERVICING.
ALWAYS RESEAL THE PRESSURE TEST POINT AND CHECK THAT IT IS GAS TIGHT.
(This accounts for a lot of recalls.)
ALWAYS CHECK THAT THE GLASS IS CLEAN AND FREE FROM FINGERPRINTS. See Section 3
(This accounts for a lot of recalls).
Note: Marks on the Glass Panel are Not Covered by the Manufactures Warranty.