38
Make sure that the manual-reset LIMIT2 is not activated due to:
Ø
Low air flow rate, caused by obstructions and obstacles in the air exhaust/distribution system
Ø
Clogged air filters (if installed)
Ø
Heater stopped using the master switch or owing to a power failure during operation
Ø
Closing fire dumper intervention
Ø
Tri-thermostat sensors’ sloping and/or too close to the heat exchanger that anticipate the
intervention due to the radiating heat
Once all these problems have been solved, if the fault persists contact the after-sales service or
qualified personnel.
Check, before the first start-up, that the tri-thermostat bulbs are inclined upwards and do not touch
the heat exchanger.
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