MAHLE ArcticPRO ACX2120H, Руководство по эксплуатации

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28 | ACX2120H | Troubleshooting en
13. Troubleshooting
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Please contact technical service if any of the actions suggested in this section cannot be implemented.
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Notice/Warning codes are coded Wxxx on the title of the window.
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Alarm codes are coded Axxx on the title of the window - alarms terminate procedure and prevent its resumption.
13.1 ACX2120H
Error code Messages When it occurs Possible solutions Action
W008 REPLACE VACUUM
PUMP OIL – When required after Pump Monitor -
ing system procedure
– Pump oil contaminated – Replace pump oil
W009 REPLACE DRYER
FILTER – Every year since installation – Filt – Replace dr ter
W025 REFRIGERANT
QUANTITY TOO
HIGH – During the programming of the in -
ner tank charge amount
– Amount required greater than that
available in internal tank
– Decrease the set quantity.
W026 RECHARGE CYL -
INDER EMPTY OR
DISCONNECTED
– – Recharging tank empty
– Hoses/couplings are clogged/
closed
– Check tank, hoses, taps.
W029 CYLINDER NEAR -
LY FULL
– During the refrigerant recovery or
hoses emptying phase.
– Tank close to maximum capacity – Decr
(injecting) an external suitable tank
(with safety valve)
W032 NO PRESSURE -
VEHICLE WITHOUT
REFRIGERANT OR
DISCONNECTED – During the refrigerant recovery
phase
– Hoses not connected
– Couplers not opened
– Check connections and leaks in
A/C system
W044 CYLINDER EMPTY – Tank refrigerant
internal recycling phase
– Gas level is too low for the proce -
dure to be completed
– Fill the internal tank with gas
W045 LP VERY LOW,
CHECK CIRCUIT
BEFORE CONTIN
-
UING
– – LP hose disconnected
– Flushing couplings not properly
connected
– Leak in cir
–
and eliminate any leaks.
W047 POSSIBLE LEAK -
AGE
– During the refrigerant recovery
phase
– Vehicle A/C system may have leaks – Inspect vehicle A/C system and re -
pair
A000 EEPROM NOT
WORKING – Electronics fault – EEPROM damaged – Replace the logic electronic board
A001 EEPROM DATA
CORRUPT – Electronics fault – EEPROM damaged – Replace the logic electronic board
A002 PRESSURE SAFE -
TY SWITCH ACTI -
VATED
– Pressure above 18 bar – High pressure in the internal tank
– Circuit between compressor and
tank obstructed or closed
Verify:
– If internal CYLINDER pressure lev -
el is over 18 bar, wait for pressure
reduction, disconnect equipment
from the mains, use safety protec
-
tion
– Open equipment and verify if the
valve between compressor and in -
ternal CYLINDER are open