170
Err |77.X
The current limit set for a wire-feed unit motor has been exceeded
Cause: Err 77.7 ... Wire-feed unit motor current exceeded
Err 77.8 ... PPU motor current exceeded
Remedy: Check the wire-feed unit components (e.g. feed rollers, inner liner, inlet/outlet
nozzles, etc.); check quality of weld seam
Err | bPS
Cause: Fault in power module
Remedy: Contact After-Sales Service
Err | Cfg
Can only occur when power sources are being operated in parallel or in Twin mode
Cause: Power source is configured for parallel operation (setup parameter P-C is set
to “ON”) or TimeTwin Digital (setup parameter T-C is set to “ON”). However,
after being switched on, the power source was unable to establish an LHSB
link (LHSB link was previously detached or faulty).
Remedy: Reset the service code: Switch the power source off and back on again. If
necessary, restore or repair the LHSB connection.
Err | IP
Cause: Primary overcurrent
Remedy: Contact After-Sales Service
Err | PE
Cause: The earth current watchdog has triggered the safety cut-out of the power
source.
Remedy: Switch off the power source, wait for 10 seconds and then switch it on again.
If you have tried this several times and the error keeps recurring, contact Af-
ter-Sales Service.
Err | tJo
Cause: JobMaster torch temperature sensor faulty
Remedy: Contact After-Sales Service
hot | H2O
Cause: Thermostat on cooling unit has tripped
Remedy: Wait until the end of the cooling phase, i.e. until "Hot | H2O" is no longer dis-
played.
ROB 5000 or field bus coupler for robot control: Before resuming welding, in-
itialise the "Source error reset" signal.
no | Arc
Cause: Arc break
Remedy: Shorten the wire stick-out; press the torch trigger repeatedly;
clean the surface of the workpiece
no | GAS
Cause: The “Gas watchdog” option has detected that there is no gas pressure
Remedy: Connect a new gas cylinder and open the gas cylinder valve/pressure regu-
lator;
Acknowledge no | GAS by pressing the Store button
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