Service tasks
9.4
Filter maintenance
I
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 "R1234 from system" must be
reset.
After changing the filter, perform a leak test (see chapter "Leak test" on
page 120).
"R1234 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).
"R1234 from tank" indicates how many grams of refrigerant were added
to the unit using the menu item "Int. vessel filling" since the last reset
(see date).
"R1234 to system" indicates how many grams of refrigerant have been
added to the air conditioning systems using the menu item "Short selec-
tion" or "Free selection" since the last reset (see date).
"Vacuum time" indicates how long the vacuum pump has operated
since the last reset (see date).
124
R1234 from system
g.
STOP-EXIT
R1234 from tank
g.
STOP-EXIT
R1234 to system
g.
STOP-EXIT
Vacuum time
min.
STOP-EXIT
VAS 581 001A
07/03/17
4155
07/03/17
3395
07/03/17
1200
07/03/17
79
EN