35
EN
EFD 1.x
Cause: flex communication error
Remedy: change SR 4x
EFD2.1
Cause: oscillator watchdog fault
Remedy: change SR 4x
EFD 3.1
Cause: watchdog timer fault
Remedy: change SR 4x
EFD 5.x
Cause: SR 4x config memory (CFM) not legible
Remedy: change SR 4x
EFD 7.x
Cause: wire-feed unit config memory (CFM) not legible
Remedy: check cable harness. Change config memory (CFM) in cable harness.
EFD 8.x
Cause: motor overcurrent, x stands for:
1 motor overcurrent SR 4x (main motor)
2 motor overcurrent PM 4x (PM motor)
Remedy: check wirefeed system. For permitted nominal currents, see operating
instructions for the relevant wire-feed unit.
EFD 9.x
Cause: supply to motor, x stands for:
1 exceed of lower motor supply voltage limit
2 motor supply upper voltage limit exceed
Remedy: check VSP. check/change mains adapter NTxx
EFD 10.x
Cause: PMxxA config memory (CFM) not legible
Remedy: check PM xx connection to SR 4x. Change PM xx
EFD 12.x
Cause: VD actual speed value check outside of range, x stands for:
1 actual-value pick-up fault 1
2 actual-value pick-up fault 2
Remedy: check cable harness and actual value pick-up.
Service codes SR 4xA
Safety
WARNING! An electric shock can be fatal. Before opening up the machine
- Move the mains switch to the “O” position
- Unplug machine from the mains
- Ensure that electrically charged components (e.g. capacitors) have been
discharged
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