Tips And Assistance; Questions And Answers; Accessories And Spare Parts - TESTO 905i Instruction Manual

8
8.1.
Question
LED flashes red
The instrument
switches itself off
--- lights up instead of
the measurement
parameter display
The App cannot be
found in the store
8.2.
Designation
testo Smart Case (Refrigeration) for storing and transporting
2 × testo 115i and 2 × testo 549i, dimensions 250 × 180 ×
70 mm
testo Smart Case (Heating) for storing and transporting
testo 115i, testo 410i, testo 510i, testo 549i and testo 805i,
dimensions 250 × 180 × 70 mm
testo Smart Case (VAC) for storing and transporting
testo 405i, testo 410i, testo 510i, testo 605i testo 805i and
testo 905i, dimensions 270 × 190 × 60 mm
d Quality Products Online at:

Tips and assistance

Questions and answers

Answer
• Batteries are almost spent.
• Change batteries.
Remaining battery capacity insufficient
> Change the batteries.
• Outside the permissible measuring range.
> Keep within the permissible measuring range.
or
• Sensor is defective
> Contact your testo Service department.
• No correct search terms were entered.
> Enter an unambiguous search term, e.g.: "testo
Smart Probes" or use the link on the testo website.
or
• Your mobile terminal device does not meet the
technical requirements (iOS 8.3 or later, Android
4.3 or later / Bluetooth 4.0 (Low Energy))
> Please check the technical data for your mobile
terminal device

Accessories and spare parts

GlobalTestSupply
www.
8 Tips and assistance
Item number
0516 0240
0516 0270
0516 0250
17
.com
sales@GlobalTestSupply.c