EN
111
VAS 6746B
Service tasks
11. Replace the O-rings (
E
).
12. Insert the new dryer and tighten the screw to max. 15 Nm.
9.4
Filter maintenance
I
“R134a from system”
indicates how many grams of refrigerant have
been extracted from air conditioning systems using the menu item
“Short selection”
or
“Free selection”
since the last reset (see date).
“R134a from tank”
indicates how many grams of refrigerant were added
to the device using the menu item
“Int.vessel filling”
since the last reset
(see date).
NOTE
After finishing the service tasks, you must delete the respective
service messages (counter reset). To do this, switch to the
“Other selections”
–
“Service.”
menu and enter the code
“7782”
.
Use the cursor keys
or
to select the required entry and press
ENTER
to confirm. Follow the display instructions, and press and hold
the
ENTER
button for 3 seconds. Switch back to the previous selection
using
STOP
.
When the filter is changed, the counter
“R134a from system”
must be
reset.
After changing the filter, perform a leak test (see chapter “Leak test” on
page 108).
R 1 3 4a f r o m s y s t e m
0 7 . 03 . 2 0 2 0
g .
1455
S T O P- E X I T
R 1 3 4a f r o m t a n k
0 7 . 03 . 2 0 2 0
g .
3395
S T O P- E X I T
E
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