Reboot RBM2000P - Part 7: Alarm Codes; Memory Chip and Output Insulation Faults; Motor Current, Speed Feedback, and Overheating; Phase Loss, No-Load, Short Circuit, and VRD Faults

Version Number: RBM2000P-20210517A1
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Part 7: Alarm codes
Alarm code
Fault
Cause
Troubleshooting
ERR 1000
Memory chip
exception
The storage function of
the display panel is
abnormal.
Shut down the machine
and replace the display
panel.
ERR 0100
Output insulation
failure
The welding torch
output is connected
to the casing.
Shut down the machine.
Check whether the
positive pole routed out
of the machine is
connected to the casing.
ERR 0200
Motor current
greater than 5 A
The wire feeding
resistance is large.
Check wire feeding in the
wire plate.
ERR 0300
Motor current
greater than 3 A
The wire feeding
resistance is large.
Check wire feeding in the
wire plate.
ERR 0400
Speed feedback
line error
The speed feedback line
of the wire feeder is
broken or faulty.
Check the speed
feedback line.
ERR 0001
Inverter overheating
The welding machine
is overheated.
Check whether the fan is
rotating and the thermal
switch is disconnected.
ERR 0002
Input open-phase
The three-phase AC is
open-phase.
Check whether the power
cord experiences phase
loss.
ERR 0003
Long-time no-load
output
Long-time no-load
output occurs.
Check the torch switch.
ERR 0004
Long-time output
short circuit
Long-time output short
circuit occurs.
Check the welding circuit.
ERR 0005
VRD faults
The VRD power failure
occurs on the control
board.
Check the voltage
feedback cable.
ERR 0006
Welding machine
operation error
Human errors occur.
Restart the machine.
ERR 0007
Sticky welding rod
during manual
welding
Long-term short circuit
occurs between the
welding rod and the
workpiece.
Restart the machine.
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