Appendix 7 - Failure List Air-Nex 9380/9480 - MAHLE AIR-NEX 9380 Service Manual

APPENDIX 7 – FAILURE LIST
The responsibility for the effects on people, animals or property resulting from inspection and repair work is entirely attributable to The responsibility for the effects on people, animals
the technician who works on the equipment. The suggestions given on the following pages are only indicative and the the technician who works on the equipment. The suggestions given on the following pages are only indicative and the the technician who works on the equipment. The suggestions given on the following pages are only indicative and the
Please find below the list of message and alarm codes that could be detected by the software. Please find below the list of message and alarm codes that could be detected by the software.
CODE MESSAGE
W008 REPLACE VACUUM
PUMP OIL
W009 REPLACE DRYER FILTER
W025 REFRIGERANT
QUANTITY TOO HIGH
W026 RECHARGE BOTTLE
EMPTY OR
DISCONNECTED
W029 BOTTLE NEARLY FULL
W030 USED OIL CONTAINER
FULL
W031 USED OIL CONTAINER
NEARLY FULL
W032 NO PRESSURE -
VEHICLE WITHOUT
REFRIGERANT OR
DISCONNECTED
W033 FURTHER UV DYE
INJECTION NOT
POSSIBLE
W034 UV DYE CONTAINER
EMPTY
W035 TRACEL LEVEL TOO
LOW
W036 FURTHER OIL
INJECTION NOT
POSSIBLE
W037 NEW OIL CONTAINER
EMPTY
W038 NEW OIL LEVEL TOO
LOW
W044 VESSEL EMPTY
W045 LP VERY LOW, CHECK
CIRCUIT BEFORE
CONTINUING
W047 POSSIBLE LEAKAGE
FAILURE LIST AIR-NEX 9380/9480
Before approach the unit wear the personal protective systems Before approach the unit wear the personal protective systems
or property resulting from inspection and repair work is entirely attributable to
manufacturer declines all responsibility for them. manufacturer declines all responsibility for them.
When it occurs When it occurs
When required after E3 pump When required after E3 pump
procedure
When the filter capacity is When the filter capacity is
finished
During the setting of the inner During the setting of the inner
tank charge amount tank charge amount
During the tank filling phase During the tank filling phase
During the refrigerant During the refrigerant
recovery or hoses emptying recovery or hoses emptying
phase.
--
--
During the refrigerant During the refrigerant
recovery phase recovery phase
During the UV dye injection During the UV dye injection
phase
During the UV dye injection During the UV dye injection
phase
During the UV dye injection During the UV dye injection
phase
During oil injection phase During oil injection phase
-
-
During flushing or refrigerant During flushing or refrigerant
clean phase clean phase
During flushing phase During flushing phase
During the refrigerant During the refrigerant
recovery phase recovery phase
Possible situations Possible solutions Possible solutions
Vacuum pump oil with Change vacuum pump oil Change vacuum pump oil
contamination
the filter capacity is Change filter with new one Change filter with new one
finished
Amount required greater Decrease the set quantity. Decrease the set quantity.
than that available in
internal tank
Recharging tank empty Check tank, hoses, taps. Check tank, hoses, taps.
or hoses/taps
clogged/closed
The tank is close to its Decrease quantity of gas by filling
maximum capacity. (charging) an external tank rated for
R1234yf (with safety valve) R1234yf (with safety valve)
container full Empty container
container is close to its Empty container Empty container
maximum capacity
Check connections and leaks in A/C Check connections and leaks in A/C
system
Vacuum not enough to Increase the vacuum phase time, check Increase the vacuum phase time, check
inject UV dye the A/C system tightness. the A/C system tightness.
Increase the amount of UV dye.
Increase the amount of UV dye. Increase the amount of UV dye.
Insufficient vacuum level Increase the vacuum phase time, check Increase the vacuum phase time, check
the A/C system tightness.
- Filling the new oil bottle Filling the new oil bottle
- Filling the new oil bottle Filling the new oil bottle
Gas level is too low for Fill the internal tank with gas Fill the internal tank with gas
the procedure to be
completed
LP hose disconnected, Reconnect LP and/or couplers and Reconnect LP and/or couplers and
flushing couplings not search for and eliminate any leak. search for and
properly hooked up or
leak in circuit being
flushed.
Vehicle A/C system (LP --
side) may have leaks
| AIR-NEX 9380/9480 NEX 9380/9480 | 38
se quantity of gas by filling
) an external tank rated for
container
amount of UV dye.
system tightness.
en