REHM FOCUS.ARC P 250, Operating Instructions Manual

Page: 63 / 82

Fault
63
12.3 Error messages
Error
number
Error Cause Elimination
1 Mains undervoltage
Mains voltage is below the
tolerance range Switch the unit off and check the
mains voltage
2 Mains overvoltage
Mains voltage is above the
tolerance range Switch the unit off and check the
mains voltage
22
Communication error
control/power section
The bus communication
between controller and power
section is faulty Switch the current source off and
on again. If the error occurs again
→ Contact service
23
Communication error
current source Bus current source
communication is faulty
Switch the current source off and
on again. If the error occurs again
→ Contact service
30
Data record Welding
characteristic curves
Data record for welding
characteristic curves is not
available or not compatible Switch the current source off and
on again. If the error occurs again
→ Contact service
35 Data record Job
Data record for Job is not
available or not compatible Load job again. If the error occurs
again → Contact service
42
Permitted temperature in
the power unit exceeded
Permitted temperature in the
power unit has been
exceeded
Allow the current source to cool
down
71 Coolant flow
•
Coolant monitor detects
low coolant flow
•
Coolant monitor blocked
by dirt
•
Immediately switch off the
current source
•
Check that the connecting cable
is plugged in
•
Check the coolant level
•
Check the connections on the
water cooled torch
•
Eliminate interruptions in the
coolant circuit
•
Bleed the coolant circuit
•
Check the pump
77
Coolant excess
temperature Temperature of the coolant is
too high
•
Let the water cooler cool down
•
Top-up coolant
80 Wire feed Motor current
The current consumption of
the wire feed motor is too
high
•
Wire feeding does not run
cleanly
•
DV motor is defective
> 100 Service call
An analysis of the cause can
be made by the service
technician
Contact service