Article reference KA-02525
Flashing Call for Heat LED
The Call for Heat indicator should illuminate when there heater is providing heat. If the light is flashing when the slider is increased beyond the current room temperature, then this would suggest that there is an issue with the thermostatic control broad which would need to be replaced.

Applicable models
MONTEREY – MFP050, MFP075, MFP100, MFP150, MFP200
GIRONA – GFP050W, GFP075W, GFP100W, GFP150W, GFP200W, GFP050B, GFP075B, GFP100B, GFP150B, GFP200B
SALETTO – LPP050E, LPP075, LPP100, LPP150
EPX – EPX500, EPX750, EPX1000, EPX1250, EPX1500, EPX2000