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8. Sensor fault
If during operation a sensor gives implausible measured values, then the device emits an
acoustic warning (1 tone per second) and the status LED of the sensor flashes yellow. The
device must be sent to Thitronik.
9. Durability of the Sensors
The sensors of G.A.S.-pro III CO and external CO sensor have an expiry date. This is lo-
cated on the rating plate of the product as "Exp. Date". The sensor must absolutely be
replaced when this date is reached (replacement by Thitronik required), if a sensor fault
has not been already displayed prior to this.
10. Icons
Internal sensor
External sensor
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