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OM-223 839 Page 19
SECTION 5 − MAINTENANCE & TROUBLESHOOTING
5-1. Routine Maintenance
Y Disconnect power
before maintaining.
. Maintain more often
during severe conditions.
3 Months
Replace
Damaged Or
Unreadable
Labels
Clean And
Tighten
Weld
Terminals
Replace Damaged
Gas Hose
Repair Or Replace
Cracked Cables
And Cords
6 Months
Clean
Drive
Rolls
Blow Out Or
Vacuum Inside
5-2. Help Displays
The XMC 44 microprocessor controls all internal parameters of the
units.
In case of failure, D1 and D2 will show the following Error Signals.
HLP 100
Indicates that the 24 volt AC supplied to the unit is low.
Verify the supply to the unit and the circuit breaker status on both the
wire feeder and on the power source.
HLP 101
Indicates that the current in the motor is too high.
Verify that the wire has not stopped.
HLP 102
Indicates that the voltage on the motor is too high.
Verify that the wire has not stopped.
HLP 103
Indicates that there is a short circuit in the motor or in the cabling.
Verify that the motor and cabling are functioning.
HLP 104
Indicates that the motor speed is too low or the encoder on the motor
is giving incorrect signals.
Verify that the motor has not stopped and check the cabling of the en-
coder.
HLP 105
Indicates a communication error between the power source and the
wire feeder.
Verify that all the connectors in the path from the control board of the
power source and the motor board of the wire feeder are correctly
fixed.
HLP 106
Indicate that there is a communication error in the RS 485.
Verify that all the connectors in the path from the control board of the
power source and the motor board of the wire feeder are correctly
fixed.