Worcester 24i junior

9
Fig. 1. Controls.
Fault indicator and
reset button
Flame detection
indicator
CH temperature
control knob
System pressure
gauge
!
Space for optional
plug in programmer
INDICATOR LIGHTS
Flame detection indicator:
OFF: Burner off
ON: Burner on
Fault indicator:
FLASHING SLOW: Ignition lockout or
(once per second) boiler overheat
FLASHING FAST: Appliance fault
(five times a second)