MAHLE AIR-NEX 9380, Service Manual

Page: 15 / 42

© MAHLE
9 Service Menu
To carry out calibration the service kit (tooling set)
described at chapter 10 is required.
9.1 Manual activations and analogue
channel view
From the SECURED SERVICE menu, (insert the password
“BRN”),
select MANUAL ACTIVATIONS and press START,
insert the password “ BRN ”, press RETURN and then enter
OK.
This submenu allows controlling the actuators and displays
all measurements.
Fig. 15: Manual activations screen
As shown in the picture the activated actuators are
highlighted with
green background colour. If deactivated
the colour is red .
The corresponding chart can be found in the APPENDIX
At the bottom you can select the following functions:
•
Pneumatic schema
•
Screen rotation (useful if the front door is open)
•
Close menu ( red square)
Manual Activation Key
(in bold the names
used in this manual)
Actuators of
the Pneumatic
Schema (see
APPENDIX 1) Power Board
Output (see
APPENDIX
OUT A A1, A2 OUT A
OUT R R1, R2 OUT R
OUT L L1 OUT L1
OUT T T1 OUT T1
OUT S S OUT S
OUT I I OUT I
OUT N N OUT N
OUT V1 V1, V2, V OUT V
OUT C C OUT C
OUT L2 L2 OUT L2
OUT H H OUT H
OUT T2 T2 OUT T2
OUT X Not Used OUT X
| AIR-
calibration the service kit (tooling set)
Manual activations and analogue
SERVICE menu, (insert the password
MANUAL ACTIVATIONS and press START,
RETURN and then enter
This submenu allows controlling the actuators and displays
. If deactivated
APPENDIX.
At the bottom you can select the following functions:
Screen rotation (useful if the front door is open)
Power Board
(see
APPENDIX 4)
9.2 Pressures calibration (service kit)
From the SECURED SERVICE menu, (insert the password “
select PRESSURE CALIBRATION and press START
messages, and enter OK to confirm.
Disconnect the LP and HP quick couplers from any A/C system and
press enter OK.
Wait some minutes until the sentence “Emptying hoses” disappears.
Then the message asks to connect to LP hose the
adapter (alone, not connected to the bottle)
station accessories kit; when the next message is displayed,.
Fig. 16: LP quick coupler opening
Turn the LP quick coupler clockwise to open it and press enter OK
so that air gets into the LP hose
Wait for the message to connect the reference gauge contained in
the service kit and, by rotating LP counter clockwise, close and
remove the bottle fitting adapter.
WARNING:
BE SURE BEFORE TO CONFIRM, THAT BOTTLE FITTING
ADAPTER HAS BEEN REMOVED FROM LP QUICK COUPLER.
Connect to HP coupler the reference gauge present in the SERVICE
KIT, open the HP quick coupler by rotating it clockwise and press
enter OK.
WARNING:
ATTENTION NOT TO POINT THE REFERENCE
ONESELF OR OTHER PEOPLE UNTIL ONE HAS THE ABSOLUTE
CERTAINTY THAT THE
CONNECTION WITH THE QUICK COUPLER
IS SAFE.
OPEN THE TAP OF THE QUICK COUPLER BY POINTING THE
GAUGE TOWARDS THE GROUND, ALWAYS KEEP THE GAUGE
TOWARDS THE GROUND EXCEPT WHEN THE GUIDED
PROCEDURE REQUIRES ENTERING THE VALUE DISPLAYED ON
THE SAMPLE GAUGE.
Fig. 17: Reference gauge connection
Fig. 18:
-NEX 9380/9480 | 15 en
calibration (service kit)
SERVICE menu, (insert the password “BRN”),
and press START, read the
Disconnect the LP and HP quick couplers from any A/C system and
some minutes until the sentence “Emptying hoses” disappears.
connect to LP hose the bottle fitting
(alone, not connected to the bottle), included in the ACX
station accessories kit; when the next message is displayed,.
P quick coupler clockwise to open it and press enter OK
Wait for the message to connect the reference gauge contained in
and, by rotating LP counter clockwise, close and
BE SURE BEFORE TO CONFIRM, THAT BOTTLE FITTING
REMOVED FROM LP QUICK COUPLER.
gauge present in the SERVICE
P quick coupler by rotating it clockwise and press
REFERENCE GAUGE TOWARDS
PEOPLE UNTIL ONE HAS THE ABSOLUTE
CONNECTION WITH THE QUICK COUPLER
OPEN THE TAP OF THE QUICK COUPLER BY POINTING THE
GAUGE TOWARDS THE GROUND, ALWAYS KEEP THE GAUGE
TOWARDS THE GROUND EXCEPT WHEN THE GUIDED
S ENTERING THE VALUE DISPLAYED ON
: Reference gauge reading