ABB IRC5 Operating Manual page 491

3. Check cables, connectors.
110724, 27~V Synchronisation, power fault.
Description
Task:arg
arg
Welding network has been switched off, or is outside the range
of 50 to 60 Hz +- 5%.
Recommended actions
1. Switch on and check weldin network.
2. Reset error, check all line phases.
3. Check synchronisation voltage.
4. Check fuses in power unit or replace power unit.
110725, 24V off or too low.
Description
Task:arg
arg
The 24V supply for the internal logic is too low(approx. 19V).
Recommended actions
1. Check 24V supply.
2. Check the connectors.
110726, Transformer temperature too high.
Description
Task:arg
arg
The temperature of the welding transformer is too high.
Recommended actions
1. Check cables and connectors.
2. Check cooling circuit of the welding transformer.
3. Reduce welding heat.
110727, Cooling temperature too high.
Description
Task:arg
arg
The heat sink is too hot(above 70ºC) or the ambient temperature
is too high(above 70ºC).
Recommended actions
1. Check cooling.
2. Check duty cycle, load.
3. Check temperature inside the process cabinet or check
process cabinet cooling.
Operating manual - Troubleshooting IRC5
3HAC020738-001 Revision: AA
110728, IO bus fault.
Description
Task:arg
arg
The serial IO module has signalled a bus fault to the timer
module.
Recommended actions
Replace IO module or timer.
110729, Electrode life has expired, end of
stepper.
Description
Task:arg
arg
The specified electrode has reached the Electrode life Expired,
End of stepper condition.
Recommended actions
The electrode must be replaced.
110730, Tip dress request.
Description
Task:arg
arg
The specified electrode has reached the Tip dress request, Tip
dress inq. condition.
Recommended actions
The electrode tip must be dressed.
110731, Power voltage too high.
Description
Task:arg
arg
An excessively high mains voltage was measured at the DC
link level. The mains voltage was above limits. Mains
overvoltage or mains transients.
Recommended actions
Check the line voltage supply.
110732, Power voltage too low.
Description
Task:arg
arg
The mains voltage is too low or inexistent. The mains voltage
was below limits.
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5 Troubleshooting by event log
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491