Main Combi 30 HE Installation & Service Instructions Manual page 52

Hinged Lower
Door Panel
1
Fig. 6
6
12
4
2 3
7 8 9 10 11
13 14 15
Facia Panel
1. The facia panel is behind the hinged lower door
panel. As well as the on/off/reset selector switch,
temperature control knobs and pressure gauge, the
facia incorporates ten neon indicator lights.
2. Neons 12 to 15 indicate the operational status of
the boiler. Neons 6 to 11 have a dual function,
indicating the temperature of the central heating
water when constantly illuminated. If a fault
develops the appropriate neon will begin to flash.
Facia Panel
bar
4 5
KEY TO FACIA PANEL (Fig. 6)
1. On/Off/Reset Selector Switch
2. Central Heating Temperature Control
3. Hot Water Temperature Control
4. Central Heating System Pressure Gauge
5. Optional Integral Timer Position
Neon Indicators
6. Flame Failure or Blocked Condensate Drain
7. Safety Thermostat Activated (Boiler or Flue)
8. Fault on Fan or Flue
9. Fault on Pump or Low System Pressure
10. Fault on Hot Water Sensor
11. Fault on Central Heating Sensor
12. Power On
13. Domestic Hot Water Mode
14. Central Heating Mode
15. Burner On
When neons 6 to 11 are constantly illuminated,
they indicate the temperature of the central
heating water