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