Main 24 HE A Manuel de l'utilisateur - Page 6

Parcourez en ligne ou téléchargez le pdf Manuel de l'utilisateur pour {nom_de_la_catégorie} Main 24 HE A. Main 24 HE A 12 pages.

Air Flow
Monitor Neon
Safety Thermostat
Neon
30° 40° 50° 60° 70° 80°
Fig. 1
Reset
Fig. 2
Reset
Fig. 3
6
© Baxi Heating UK Ltd 2007
Pump/Low
Pressure Neon
Sensor Fault
Neons

3.0 Fault Indication

Air Flow Monitor
1. The boiler is fitted with an air pressure sensing device.
This monitors the flue system.
2. If the (
) neon illuminates it indicates that the flue or
flue terminal is blocked or obstructed in some way, or that
there is an internal fault. If there is no external blockage of
the flue terminal that can be easily removed contact your
Installer or Service Engineer (Fig. 1).
Pump Fault or Low Pressure
1. The neon (
) will illuminate if the circulating pump is
faulty or the system pressure drops below the minimum
requirement (Fig. 1).
2. Check the pressure gauge as described on page 8. If the
pressure is in the normal range, a pump fault is indicated.
Contact your Installer or Service Engineer to determine the
nature of the fault.
Sensor Fault
1. When either of the the (
on one of the temperature sensors is indicated (Fig. 1).
Contact your Installer or Service Engineer.
Pump Protection
1. With the selector switch in the on position (Fig. 2) the
pump will automatically operate for 1 minute in every 24
hours to prevent sticking.
Safety Thermostat
1. Your Main System HE is fitted with an additional safety
devices, which shut down the boiler in the event of the
system, boiler or flue overheating. The safety thermostat
neon (
) will light in this instance (Fig. 1).
2. To reset: Turn the selector fully anti-clockwise against the
spring pressure to the 'Reset' position for at least two
seconds and release (Fig. 3).
3. If after turning the selector to the 'Reset' position the
boiler does not relight or the safety thermostat operates
repeatedly, causing boiler shutdown, a fault is indicated. Your
Installer or Service Engineer should be contacted as soon as
possible.
) neons is illuminated a fault