CONFIGURATION 
Part. No. 2400M2501_6    Touchpoint Pro 
  72  Technical Handbook 
9.2.18  Gas Range Fault Settings 
Access Level: Engineer 
The ‘Gas Under Range Fault’ will be set if the calculated gas concentration is less than the configured ‘Gas Under Range 
Limit’.  This fault may be due to the sensor signal drifting below the normal zero operating point. 
Gas Range Min- 0.10 * (Gas 
Range Max- Gas Range Min) 
Gas Range Min – 0.24 * (Gas 
Range Max - Gas Range Min) 
The ‘Over Range Limit Warning’ will be set if the calculated gas concentration is greater than the configured limit.  
Note: If the Over Range Warning signal is latched, an extra Reset operation is required. The first Reset clears the over 
range warning, the second reset clears any other conditions. 
Gas Range Max+ 0.10 * (Gas 
Range Max- Gas Range Min) 
Gas Range Max+ 0.25 * (Gas 
Range Max- Gas Range Min) 
9.2.19  Calibration Reminder Settings 
Access Level: Engineer 
Calibration Reminder 
Enable 
‘Calibration Overdue Warning’ is set if the 
‘Calibration Reminder Interval’ is exceeded. 
Calibration Reminder 
Interval 
Calibration reminder is calculated to the day, e.g. if 
the reminder is set on 27 January for 6 months’ 
time, the calibration overdue reminder will appear 
on 27 July.  
Note: Once the Calibration Overdue Warning is active, it can only be cleared by calibrating the channel.