Detection, Protection, Innovation
• Warm-up Information
– Sensor Check Failure
• If sensor(s) fail the zero check at the end of warm-up, the audible and visual
alarms activate. The instrument display will show a spanner symbol.
• To acknowledge the alarm, press the right button. This clears the audible / visual
alarm. The instrument display will show a flashing spanner symbol alternating with
the faulty sensor zero reading.
alternating
with