Operation
Fault:
Device is no longer usable because
Air differential pressure is too low (< 3.5 mbar)
Sensor break (PT100, thermoelectric battery or temperature at burner is too high)
Gas pressure is too low
Operation:
The flame is burning. Thermoelectric voltage of process or calibration gas is
greater than the ignition threshold.
Operation delayed:
The flame is burning. Thermoelectric voltage of process or calibration gas is
greater than the ignition threshold and the delay time has elapsed.
Overtemperature:
The flame is too hot. The Wobbe signal is greater than 76 mV, i.e. the temperature
rise in the inner tube of the thermoelectric battery is greater than 50°C.
Calibration deviation:
The value determined during base calibration is exceeded or undershot.
Internal pressure:
Insufficient process or calibration gas.
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