Fronius CU 800i - Welding torch overheating

Welding torch gets very hot (with CU 800i, CU 1100i Basic, CU 1100i, CU 1100i /
MV):
The specification of the cooling unit is inadequate
Observe the duty cycle and loading limits
Welding torch is inadequately dimensioned
Observe the duty cycle and loading limits
Inadequate coolant flow
Check coolant level. Top up the coolant if necessary. Attention when using
OPT/i CU Torch deflate - see section OPT/i CU Torch deflate: Emptying/
filling the torch hosepack from page 41.
Check coolant for contamination. Change the coolant if necessary
Inadequate coolant flow
Coolant pump sticking: Turn coolant pump shaft (see section Turning the
coolant pump shaft on page 52). Contact After-Sales Service if the
coolant pump shaft proves impossible to turn
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Welding torch becomes very hot (with CU 800i /460 V, CU 800i Pro, CU 1100i /460 V,
CU 1100i /MV RVP, CU 1200i Pro /MC, CU 1400i Pro /MC):
The specification of the cooling unit is inadequate
Observe the duty cycle and loading limits
Welding torch is inadequately dimensioned
Observe the duty cycle and loading limits
Inadequate coolant flow
Check coolant level. Top up the coolant if necessary. Attention when using
OPT/i CU Torch deflate - see section OPT/i CU Torch deflate: Emptying/
filling the torch hosepack from page 41.
Check coolant for contamination. Change the coolant if necessary
Inadequate coolant flow
Coolant pump sticking: Contact After-Sales Service
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
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