The data, information and descriptions, and the technology described herein are the exclusive intellectual property of Snap-on Climate Solutions S.r.l. and
constitute industrial secrets. Said information is communicated in strict confidentiality; said information may be used only for the purpose for which it is
communicated; said information may not be divulged, communicated, or revealed to third parties and/or reproduced by any means for any reason whatsoever; said
information is protected under applicable Italian competition and industrial property law.
Service manual Cinquecento12 (VA21) [MANUY2V.SB0] ed.1 ver.0.1.doc pag.103 - 09/11/2021
ERROR CODES
SYSTEM LEAKS: Error message displayed when the A/C system is not tight
Solution: Verify the connections between the service hoses and quick couplers, and
make another 5 min vacuum test only on service hoses . If the problem persists, delete
the residual oil in the service hoses making a short 100g filling in the servicehoses and
then a recovery, and repeat the 5 minutes vacuum test on service hoses.
N.B. if the vacuum test on service hoses passes, means that the A / C system has a
loss which must be localized using a leak detector.
PRESENCE OF REFRIGERANT INTO THE A/C SYSTEM : Error message displayed when
starting the vacuum, the charging station checks the presence of a pressure inside the A/C
system:
Solution: perform a recovery procedure
LOW VACUUM error message displayed before filling if the value of the vacuum> 400mbar.
Solution: Perform a quick vacuum procedure (at least 20 minutes)
EMPTY OIL CONTAINER: Error message displayed when the charging station is unable to
complete the set amount of injection oil.
Solution: Fill the container with the correct amount of new oil for compressors, or
replace the cartridge if it is refillable.
NOTE: Use only oils recommended by the manufacturer or vehicle manufacturer.
Never use oil used
LOW GAS AVAILABILITY error message displayed during filling, when you select a quantity
greater than the availability of gas.
Solution: Fill the inner refrigerant bottle, refer to the homonymous section of the user
manual
VACUUM LEAKS (A/C system flushing): error message displayed during the A/C system
flushing, leaks occurred during the test in a vacuum; A / C system is not tight
Solution: Check the connections and repeat the procedure.
PRESSURE LEAKS (A/C system flushing): error message displayed A/C system flushing,
leaks occurred during the pressure test; A / C system is not tight
Solution: Check the connections and repeat the procedure. If the problem persists, look
for the leak using the appropriate tools (tracer or electronic leak detector)
SYSTEM EMPTY: error message appears when you select a recovery procedure, but is not
found presure in the A/C system
Solution: Check the connection and closing of the quick couplers, if after all these
checks, the machine continues to give the same error means that the A/C system is
empty
SET QUANTITY LOWER THEN 100G: error message displayed during filling when the
amount of gas typed is less than 100g (both automatic and manual procedure)
Solution: set a quantity of gas greater than or equal to 100 grams
COMUNICATION ERROR: Error message displayed when the charging station loses its
connection with the external analyzer
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