Fault- -Tracing; List Of Fault Codes - ABB MigRob 500 Product Manual

8

FAULT- -TRACING

Try these recommended checks and inspections before sending for an authorised
service technician.
Type of fault
No arc.
The welding current is interrup-
ted during welding.
The thermal cut--out trips fre-
quently.
Poor welding performance.
9

LIST OF FAULT CODES

Fault
code
1 EPROM memory error
2 RAM memory error
3 External Read/Write RAM memory error
4 5 V power supply
5 High DC intermediate voltage
6 High temperature
7 High primary current
8 Mains power supply 1*
9 Mains power supply 2*
10 Mains power supply 3*
12 Communication error (warning)
14 Communication error (bus off)
15 Messages lost
18 Lost contact with the power unit
19 Incorrect set values in external RAM
20 Unacceptable settings stored in RAM
21 Incompatible settings stored in RAM
22 Transmitter buffer overflow
23 Receiver buffer overflow
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Check that the mains power supply switch is turned on.
S
Check that the welding current supply and return cables are
S
correctly connected.
Check that the correct current value is set.
S
Check that the fuse is intact.
S
Check whether the thermal cut--outs have tripped (indicated
S
by the orange lamp on the front panel).
Check the mains power supply fuses.
S
Check to see whether the dust filter is clogged.
S
Make sure that you are not exceeding the rated data for the
S
power source (i.e. that the unit is not being overloaded).
Check that the welding current supply and return cables are
S
correctly connected.
Check that the correct current value is set.
S
Check that the correct wire is being used.
S
Check the mains power supply fuses.
S
Description
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Action
Welding data Power unit
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