TESTO 770 - 10 Tips and assistance; 10.1 Questions and answers; 10.2 Accessories and spare parts; 11 Protecting the environment

11 Protecting the environment
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10 Tips and assistance
10.1 Quesons and answers
Question
Possible causes/solution
OL
The reading exceeds the measuring range upper limit
> Check input value and change if necessary.
dISC
(testo 770-3 only)
The capacitor to be tested sll contains charge.
> Discharge capacitor properly and carry out the test
again.
OPEn
No connecon to the probe ps during the RCDC
measuring mode.
> Establish a connecon to the measurement object.
UPdE bLE
Update Bluetooth
> Wait up to 30s.
> If no connecon is established reset Bluetooth
connecon, restart testo Smart App and try again.
If we have not been able to answer your queson, please contact your dealer or
Testo Customer Service. For contact details, please visit
www.testo.com/service-contact.
10.2 Accessories and spare parts
Probe and other assemblies are appropriately rated for measurement category III
or IV and have a suitable voltage rang for the circuit to be measured.
11 Protecng the environment
> Dispose of faulty rechargeable baeries/spent baeries in accordance with
the valid legal specicaons.
> At the end of its useful life, send the product to the separate collecon for
electric and electronic devices (observe local regulaons) or return the product to
Testo for disposal.