Worldwel Longrun 500LMP, Руководство по эксплуатации

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■ Symptom and solution
Code no. Symptoms Cause Solution
E40
Communication error
between Main PCB
and Display PCB
1. Cable failure
2. Main PCB failure
1. Check and replace the cable
2. Replace the Main PCB
E41
Wire feeder
communication error
1. Cable failure
2. Wire feeder PCB failure
1. Check and replace the cable
2. Replace the Wire feeder PCB
E42
Communication error
between the welder
and wire feeder
1. Connect failure between the welder and
wire feeder
2. Internal cable failure
3. Wire feeder PCB failure
4. Main PCB failure
1. Check the cable in Wire feeder and
the welder
2. Check and replace the internal cable
3. Replace Wire feeder PCB
4. Replace Main PCB
E33
Welding wire stick to
base metal
At the end of welding, welding wire sticks
to base material
Turn off the main power and detach
welding wire from base metal.
E34
Input error of Wire
feeder
1. Cable failure
2. Welding voltage and current volume
failure in Wire feeder.
1. Check and replace the cable
2. Replace the volume of wire feeder.
E30 Wire feeder overload
1. Welding wire is finished.
2. Motor overload, Motor Failure.
1. Replace with new welding wire
2. Replace motor
E15
Power supply error
1. Torch switch pressed at power-on
2. Open circuit voltage error
3. Current detected
4. Welding wire is fed
5. Gas detected
1. Release torch switch
2. Check that Output cable is short
circuit.
E17 Over current
1. Over current
2. Hole sensor failure
3. Signal cable disconnected
4. Main PCB failure
1. Check main circuit
2. Supply input power
3. Check signal cables
4. Replace Main board
E18 Output voltage error
1. Voltage feedback cable got damaged
2. Main pcb failure
1. Check Voltage feedback cable and
replace it
2. Replace Main board
E19 Temperature protect
1. Overheat in side of welding machine
2. Temperature sensor fault
3. Signal cable failure
4. Main pcb failure
1. Check the ventilation and follow
duty cycle of machine
2. Replace temp. sensor
3. Check Signal cables
4. Replace Main pcb
E10 Torch switch error No weld even pressing torch switch for a
long time
Torch switch off
E88 Motor don’t work Motor board failure Check and replace Wire feeder board