50
tS1 | xxx, tS2 | xxx, tS3 | xxx
Cause: Over-temperature in the secondary circuit of the power source
Remedy: Allow the power source to cool down
tSt | xxx
Cause: Over-temperature in the control circuit
Remedy: Allow the power source to cool down
Err | 051
Cause: Mains undervoltage: The mains voltage has dropped below the tolerance
range (see chapter “Technical data”)
Remedy: Check the mains voltage
Err | 052
Cause: Mains overvoltage: The mains voltage has risen above the tolerance range
(see chapter “Technical data”)
Remedy: Check the mains voltage
no | IGn
Cause: “Ignition time-out” function is active: No current started flowing before the
end of the time specified in the set-up menu. The safety cut-out of the
power source has been triggered.
Remedy: Press the torch trigger repeatedly; clean the surface of the workpiece; if
necessary, increase the time-period specified in “Set-up menu: Level 2”
before the safety cut-out is triggered.
Err | IP
Cause: Primary overcurrent
Remedy: Contact After-Sales Service
Err | bPS
Cause: Fault in power module
Remedy: Contact After-Sales Service
dSP | Axx, dSP | Cxx, dSP | Exx, dSP | Sy, dSP | nSy
Cause: Fault in central control and regulation unit
Remedy: Contact After-Sales Service
no | Arc
Cause: Arc-break
Remedy: Press the torch trigger repeatedly; clean the surface of the workpiece
no | H2O
Cause: Cooling-unit flow watchdog has been triggered
Remedy: Check the cooling unit; if necessary, top up the coolant and/or vent the
water forward-flow hose as described in “Putting the cooling unit into
service”
hot | H2O
Cause: Thermostat on cooling unit has been tripped
Remedy: Wait until the end of the cooling phase, i.e. until “Hot | H2O” is no longer
displayed. Automatic interface AUT 2: Before resuming welding, initialise
the “Source error reset” signal.
Displayed service
codes
(continued)
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