Service/Diagnostics Level - Vaillant timeSWITCH 140 Operating And Installation Manual

9.2

Service/diagnostics level

Besides checking the displays, you can
also query the software version of the
timer on the service/diagnostics level.
• Press the "P" button and the dial
simultaneously for about three seconds
to go to the service/diagnostics level.
The spanner symbol appears on the
display. You can now conduct the tests
(see table 9.2).
Operating and installation manual timeSWITCH 140 two-channel timer with week programme / 838312_03
Test
Dial
option
Click the Display
dial. test
Click
Software
the dial
version
again.
Table 9.2 Service/diagnostics level
• Press the "P" button once to exit the
service/diagnostics level and go to the
basic display.
The display automatically returns to the
basic display after 60 minutes.
Start-up 9
What happens?
All display elements
are displayed.
The software ver-
sion is displayed.
GB 27