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LCD Error Messages and Potential Solution
ERROR
MESSAGE
NUMBER
ERROR 1
HIGH PRESSURE
ERROR 2
TANK FULL
ERROR 3
RECOVERY TIME
OUT
CHARGING TIME
ERROR 4
OUT
NO TANK ON
ERROR 5
SCALE
ERROR 6
TANK EMPTY
NOT ENOUGH
ERROR 7
REFRIGERANT
TANK REFILL
ERROR 8
TIME OUT
VACUUM TIME
ERROR 9
OUT. PLEASE
CHECK FOR
SYSTEM
ERROR 10
EQUALIZED
HOSE CLEARING
ERROR 11
TIME OUT
POSSIBLE OVER
ERROR 12
CHARGE
ERROR 13
VACUUM ERROR
LEAK CHECK
ERROR 14
FAILD
ERROR 15
SYSTEM
MALFUNCTION
ERROR 16
IDENT ERROR
DESCRIPTION
HIGH PRESSURE SWITCH IS TRIPPED
(NORMALY CLOSED SWITCH)
TANK WEIGHT OVER 80% OF CAPACI-
TY
RECOVERY PROCESS HAS EXCEEDED
1 HR FACTORY DEFAULT
CHARGING PROCESS HAS EXEEDED
20 MIN FACTOR DEFAULT
SCALE NOT READING TANK WEIGHT
REFRIGERANT BELOW 5 % OF
TANK CAPACITY
UNIT IS LOW ON REFRIGERANT
(10 LB MIN)
TANK REFILL HAS EXCEEDED
DEFAULT TIME
PRESSURE EQUALIZED DURING
CHARGING
CLEARING TIME OUT AFTER
CHARGING
POTENTIAL OVERCHARGE OF THE
VEHICLE
LP SWITCH OPENED DURRING
VACUUM HOLD
FAILED TO HOLD VACUUM AFTER 5
ATTEMPTS
EEP-ROM DATA READ/WRITE ERROR
IDENTIFIER ERROR
15
TROUBLESHOOTING
OPEN TANK VALVE
TEST HIGH PRESSURE SWITCH
CHECK SV AND CHECK VALVE OP
CHECK TANK PRESSURE
CHECK SCALE CALIBRATION
REMOVE SOME REFRIGERANT
FROM STORAGE TANK
IF AC SYSTEM CONTAINS MORE
THAN 3 LBS OF REFRIGERANT
INCREASE DEFAULT TIME
CHECK FOR LEAKS (HOSES, FIT-
TINGS AND AUTO AC SYSTEM
OPEN TANK VALVES
OPEN SERVICE COUPLERS
SWITCH TO LOW SIDE CHARGING
CHECK TANK WEIGHT (10 LB MIN)
PLACE TANK ON SCALE
CHECK SCALE CALIBRATION
REFILL TANK
CHECK SCALE CALIBRATION
REFILL TANK
RUN TANK REFILL MODE AGAIN
CHECK FOR LEAKS
TEST LOW PRESSURE SWITCH
NOT USED
INCREASE VACUUM TIME
RUN THE VEHICLE TO DRAW IN THE
REMAINING REFRIGERANT
CLOSE SERVICE VALVES AND DIS-
CONNECT
REPEAT RECOVERY AND CHARGE
PROCESS
REPEAT VACUUM CYCLE
REPEAT RECOVERY PROCESS
CHECK FOR LEAKS
REPLACE MICROPROCESSOR
CALL TECH-SUPPORT
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