TESTO 300 LL NEXT LEVEL Instruction Manual page 6

Contents
Service ................................................................................................. 88
10.1
Calibration ........................................................................................... 88
10.2
Check instrument status ...................................................................... 88
10.3
10.3.1 Sensor diagnosis ................................................................................. 88
10.3.2 Error list ............................................................................................... 88
Clean the measuring instrument .......................................................... 88
10.4
Drain condensate container ................................................................. 89
10.5
Open the measuring instrument........................................................... 90
10.6
Replace sensors .................................................................................. 92
10.7
10.7.1 Replace O2 sensor .............................................................................. 93
10.7.2 Change CO, CO H2 and NO sensor .................................................... 94
Clean modular flue gas probe .............................................................. 94
10.8
Replace the probe module ................................................................... 95
10.9
Check/replace particle filter ................................................................. 95
10.10
Replace thermocouple ......................................................................... 97
10.11
Technical data .................................................................................... 98
11
Contact and support ........................................................................ 101
12