27
Getting to Know Your Boiler
Control Panel
Boiler built-in fault finding system
SANITARY
GREEN LED
RED LED
HEATING
GREEN LED
Ionic control during lock-out
OFF
ON
OFF
Activation of safety thermostat
OFF
ON
ON
Activation of fumes thermostat
ON L
ON
OFF
Boiler settings error FF/ATM
(1)
(1)
(1)
Activation air pressure switch
ON
ON
OFF
Parasite flame
ON L
ON
ON L
Activation of H
2
O flow switch
OFF
ON
ON L
Failure of NTC heating system sensor
OFF
ON L
ON L
Failure of NTC sanitary system sensor
ON L
ON L
OFF
Activation of safety thermostat (during sanitary function)
OFF
ON L1
ON L
Boiler in central heating phase
OFF
OFF
ON L
Boiler in domestic hot water cycle
ON L
OFF
OFF
Boiler in anti-frost cycle
ON L
ON L 1
OFF
Stand-by
ON L 1
OFF
OFF
Stand-by (during heating phase)
ON
OFF
ON
Stand-by (during summer phase)
ON
OFF
OFF
Remote control activated
ON
OFF
ON L0
ON L0
lit LED flashing 2 sec. ON – 0,2 sec. OFF
ON L1
lit LED flashing 5 sec. ON – 0,2 sec. OFF
ON L
lit LED flashing 0,5 sec. ON – 0,5sec. OFF
ON
LED on
OFF
LED off
(1)
lit LED flashing of all (ON quick and 3 sec. OFF)
Summary of Contents for Stella
Page 15: ...14 Electrical Layout Screw A pressure inlet ...
Page 25: ...24 ...
