5
e Devireg™ 530 series has a LED indicator above
the 2 pole safety switch (see illustration).
e LED has four indications:
• No light means the system is o.
• Red light means system is heating.
• Green light means power is on but no heating is
required.
• Flashing green light means there is a problem
with the oor sensor (only applicable for 530
and 532). Please refer to section about ”Trouble
shooting” for further information.
Is used for setting the thermostat to frost protection
mode, i.e. keeping the room/oor temperature
(depending on type of thermostat) at 5°C.
3. Neon light indications (LED)