ENGLISH 74 / 78 CAP. 17 - DIAGNOSTICS
CAP. 17 - DIAGNOSTICS
17.1 FAILURES LIST
Please find below the list of message and alarm codes that could be detected by the MULTIGAS
8500 software. If there are alarms, it is advisable to apply to your supplier or service Partner.
Notice/Warning messages are coded with Wxxx code on the title of the window.
CODE MESSAGE When it occurs Possible situations
Actions
W008 REPLACE VACUUM
PUMP OIL
When required
after long life
pump procedure
Vacuum pump oil
with
contamination
Change vacuum pump
oil
W009 REPLACE DRYER
FILTER
When the filter
capacity is
finished
the filter capacity
is finished
Change filter with new
one
W025 REFRIGERANT
QUANTITY TOO
HIGH
During the
programming of
the inner tank
charge amount
Amount required
greater than that
available in
internal tank
Decrease the set
quantity.
W026 RECHARGE VESSEL
EMPTY OR
DISCONNECTED
During the tank
filling phase
Recharging tank
empty or
hoses/taps
clogged/closed
Check tank, hoses, taps.
W029 VESSEL NEARLY
FULL
During the
refrigerant
recovery or hoses
emptying phase.
The tank is close
to its maximum
capacity.
Decrease quantity of
gas by filling (injecting)
an external tank rated
for R134a (with safety
valve)
W032 NO PRESSURE -
VEHICLE WITHOUT
REFRIGERANT OR
DISCONNECTED
During the
refrigerant
recovery phase
Check connections and
leaks in A/C system
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