High operating noise level
Coolant level too low
Top up coolant
Coolant pump defective
Contact After-Sales Service
Cause:
Remedy:
Cause:
Remedy:
no l H2O
The cooling unit flow sensor has tripped. The error message appears on the power
source control panel.
Coolant flow problem
Check coolant level, cleanliness and proper return;
change coolant if necessary
Coolant filter displaced when connecting coolant return
Clean coolant filter using clean tap water or change filter element
Cause:
Remedy:
Cause:
Remedy:
hot l H2O
The cooling unit thermostat has tripped. The error message appears on the power
source control panel.
The coolant temperature is too high
Wait until the end of the cooling phase, i.e. until "hot | H2O" is no longer dis-
played.
If using a ROB 5000 or field bus coupler for robot control: Before resuming
welding, set the "Source error reset" signal.
Cause:
Remedy:
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