Waeco AirCon Service 6300G Operating Manual page 32

English
11. Select Process start.
12. Press ENTER to confirm.
The service hoses will now be drained and the A/C service unit's basic menu will be activated. The com-
pressor has produced a slight internal vacuum so that the filter can be replaced with minimal refrigerant
loss.
13. Switch off the A/C service unit.
14. Pull out the power supply plug.
15.
CAUTION! Health hazard The following steps may only be performed by authorized personnel.
Wear protective gloves and goggles.
Unscrew the screw (D) from the holder, and pull the dryer filter straight out.
16. Replace the O-rings (E). Moisten new O-rings with refrigerant oil before installing.
17. Insert the new dryer and tighten the screw to max. 15 Nm.
18. Reconnect the power plug.
19. Switch on the A/C service unit.
The inverter performs a self-test.
20. Reset the R1234yf from system counter
21. Perform a leak test
14.5 Entering the filter code
To reset the filter counter, you need to enter a 12-digit code. This special code is located on the new filter. A Code
entry prompt appears in the menu. If a code is not entered, the A/C service unit is taken out of operation. Each
code only works once.
30
(Resetting the counters
(Leak test on page 27).
on page 27).