User Manual

8 Tips and assistance
22
8.3. Error reports
Question Possible causes/solution
---- lights up instead of the
temperature display (T1/T2
or toh/tcu)
Sensor or cable faulty
> Please contact your dealer or
Testo Customer Service
---- lights up instead of the
display for superheating /
subcooling (SH/SC or
∆toh/∆tcu)
- No actual superheating /
subcooling.
- No theoretical condensation or
evaporation temperature can be
calculated based on the pressure
measured.
Display EEP FAIL Eeprom defective
> Please contact your dealer or
Testo Customer Service
Display BT ERR No BT module connected or BT
module defective.
> Please contact your dealer or
Testo Customer Service
Display ERR 2 - 5 Damaged vacuum sensor
> Please contact your dealer or
Testo Customer Service
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..
8.4. Accessories and spare parts
Description Article no.
Clamp probe for temperature measurement
at pipes (1,5m)
0613 5505
Clamp probe for temperature measurement
at pipes (5m)
0613 5506
Pipe wrap probe with Velcro tape for pipe
diameters of up to max. 75 mm, Tmax.
+75 °C, NTC
0613 4611
Watertight NTC surface probe 0613 1912
Precise, robust NTC air probe 0613 1712