User Manual
8 Tips and assistance 
    21 
8.3.  Error reports 
Question 
Possible causes/solution 
---- is lit up instead of 
measurement parameter 
display 
Sensor or cable defective 
>  Please contact your dealer or 
Testo Customer Service 
Display EEP FAIL 
Electronics (Hardware Fault) 
>  Please contact Testo Customer 
Service 
8.4.  Accessories and spare parts 
Description 
Article no. 
Temperature clamp probe - 4.9 ft. cable length (1.5m) 
0613 5505 
Temperature clamp probe - 14 ft. cable length (5m) 
0613 5506 
Pipe wrap probe with Velcro tape 
0613 4611 
Watertight NTC surface probe 
0613 1912 
Precise, robust NTC air probe 
0613 1712 
Transport case for measuring instrument, probe and 
hoses 
0516 0012 
For a complete list of all accessories and spare parts, please refer 
to the product catalogues and brochures or look up our website at: 
www.testo.com 
If you have any questions, please contact your dealer or Testo 
Customer Service. The contact details can be found on the back of 
this document or on the Internet at www.testo.com/service-
contact. 
Click onto your country’s flag for local support. 










