no | H2O
Coolant flow rate too low
Check coolant flow rate and cooling unit, including cooling circuit
(for minimum coolant flow, see "Technical Data" chapter in the Oper-
ating Instructions for the device)
Cause:
Remedy:
hot | H2O
The coolant temperature is too high
Allow cooling unit and cooling circuit to cool down, until "hot | H2O"
is no longer displayed. Open the cooling unit and clean the cooler,
check fan is working properly.
Cause:
Remedy:
no | Prg
No preconfigured program has been selected
Select a configured program
Cause:
Remedy:
no | IGn
"Ignition time-out" function is active; current did not start flowing
before the length of wire specified in the Setup menu had been fed.
The power source safety cut-out has tripped
Shorten the wire stick-out; press the torch trigger again; clean the
surface of the workpiece; if necessary, set the "Ito" parameter in the
Setup menu
Cause:
Remedy:
EPG | 17
The selected welding program is invalid
Select a valid welding program
Cause:
Remedy:
EPG | 29
The required wirefeeder is not available for the selected characterist-
ic
Connect the correct wirefeeder, check the plug connections for the
hosepack
Cause:
Remedy:
EPG | 35
Measurement of the welding circuit resistance failed
Check grounding cable, current cable, or hosepack and replace if ne-
cessary, re-measure the welding circuit resistance
Cause:
Remedy:
Displayed ser-
vice codes in
connection with
OPT Easy Docu-
mentation
no | dAt
Welding is not possible
Date and time are not set on the power source
To reset the service code, press the arrow key;
Set date and time in the 2nd level of the service menu:
see page 91
Cause:
Remedy:
bAt | Lo
Welding is possible
The battery of OPT Easy Documentation is low
To reset the service code, press the arrow key;
Contact service (to change the battery)
Cause:
Remedy:
116
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