5-10
 
 
 
       Table 5-5.  Sensor’s Analog Value 
Trouble Indications, 
Continued 
The panel will automatically indicate when a sensor is out of its sensitivity calibration. If 
the sensor has an analog value below what is listed in the table, the sensor is within its 
sensitivity setting. 
Sensor’s Analog Value 
Type  Almost Dirty  Dirty  Excessively Dirty 
Photo 115  120  135 
Ion 135  140  155 
To view a Sensor’s analog value, refer to your panels operating instructions