Rectifying faults
Error messages (power source)
40
099-005593-EW501
10.01.2022
Error (category)
Possible cause
Remedy
7
B
Low coolant level
low flow rate
Fill coolant.
Check coolant flow - remove kinks in
hose package.
Adjust flow threshold.
[1] [3]
Clean water block.
Pump does not turn
Turn the pump shaft.
Air in the coolant circuit
Vent coolant circuit.
Hose package not completely
filled with coolant.
Switch the machine off and on again
> pump running > filling process.
Operation with gas-cooled
welding torch.
Deactivate torch cooling.
Connecting coolant feed and return
to hose bridges.
Failure of automatic circuit-
breaker
[2]
Reset automatic circuit-breaker.
8
A, B
Shielding gas error
No shielding gas
Check shielding gas supply.
Pre-pressure too low.
Remove kinks in the hose package
(nominal value: 4-6 bar pre-pres-
sure).
9
Overvoltage on se-
condary
Overvoltage at output: Inverter
error
Request service.
10
Earth fault (PE error)
Connection between welding
wire and machine casing
Remove electrical connection.
11
A, B
Fast shut-down
Removing the
logical signal “ro-
bot ready” during the process.
Eliminate errors on the higher-level
control.
16
A
General pilot arc
Emergency stop circuit error
Check emergency stop circuit.
Temperature error
See description of error 4.
Short circuit on welding torch
Check welding torch.
Request service
17
B
Cold wire error
See description of error 3.
See description of error 3.
18
B
Plasma gas error
Low gas level
See description of error 8.
19
B
Shielding gas error
Low gas level
See description of error 8.
20
B
Low coolant level
see description of error 7.
See description of error 7.
22
A
Excess coolant tempe-
rature
[1]
Coolant overheated
[3]
Allow the switched on machine to
cool down.
Fan blocked, dirty or defective. Check fan and clean or replace.
Air inlet or outlet blocked.
Check air inlet and outlet.
23
A
Excess temperature of
the HF choke
External XF ignition unit overhe-
ated
Allow the switched on machine to
cool down.
24
B
Pilot arc ignition error
Pilot arc cannot ignite.
Check welding torch equipment.
25
B
Forming gas error
Low gas level
See description of error 8.
26
A
Excess pilot arc module
temperature
Pilot arc module overheated
See description of error 4.
32
Error I>0
[1]
Current recording faulty
Request service.
