Welbach ENTRIX 200D Manual De Instrucciones página 45

The meter is working
normally.
The fan is working
normally.
The malfunction indicator
light is on.
The power indicator is off,
the fan is not rotating, no
voltage to the burner.
 It may be caused by overcurrent protection. Turn off the unit and
restart the machine after the failure indicator light flashes.
 It may be caused by overheating protection. Wait about 2-3 minutes
for the unit to cool down without turning off the power.
 It may be caused by a fault in the inverter circuit (consult your dealer).
The power switch is broken.

Check if the electrical system is live.

Check the technical condition of the power cord.
