Troubleshooting and solution
Error code
Cause and solution
E13-03
DuoPlus cannot be activated while Sequence
Repeat is active
Deactivate Sequence Repeat before activating
DuoPlus.
E20-00
There is no software present in the control unit
E20-02
Download software to the SD card, insert the
E21-00
SD card in the control unit and turn on the
E21-06
machine. Replace the SD card if necessary.
E21-08
E20-01
The SD card is not formatted
E21-01
The SD card must be formatted in a PC as
E22-02
FAT and download software to the SD card.
Replace the SD card if necessary.
E20-03
The SD card has more files of the same name
E21-02
Delete files on the SD card and reload
E22-08
software.
E20-04
The control unit has tried to read more data
than is accessible in the memory
Insert the SD card again or replace the SD card.
Contact Service if this does not solve the
problem.
E20-05
Software on the SD card is locked for another
E20-06
type of control unit
E22-03
Use a SD card with software that matches your
control unit.
E20-07
The internal copy protection does not allow
access to the micro-processor
Insert the SD card in the machine again or
contact Service.
E20-08
The control unit is defective
E20-09
Contact Service
E21-05
E20-10
The loaded file has an error
E21-07
Insert the SD card in the machine again or
E22-01
replace the SD card
E22-06
E20-11
Lacking communication to the power source
Replace the intermediary cable if it is damaged.
If this does not solve the problem, insert the SD
card again or contact Service.
E21-03
The welding program package does not match
E21-04
this control unit
Use a SD card with software that matches your
control unit.
E21-09
The internal memory is to small
Welding program package cannot be loaded.
E22-04
DSP-PCB is defective
E22-07
Contact Service.
E22-05
Data transmission error
Turn on and off the machine. Exchange the
SD card if the error is displayed again. Contact
your dealer if necessary.
Error handling
CMI 3000 II has a sophisticated built-in self-protection system.
The machine automatically stops the gas supply, interrupts the welding
current and stops the wire feeding in case of an error.
Selected errors:
Gas control fault:
Gas fault exists due to a to low or high pressure on the gas flow.
Make sure that the pressure on the gas flow is higher than 2 bar and
less than 6 bar, corresponding to 5 l/min and 27 l/min.
The fault is disconnected by adjusting the manual gas flow to 27 l/min.
The gas fault is reset by a short pressure on the
Error log
All errors are saved in the machine error
log in the menu Service. The error log
can be distributed, when inserting a
SD-card and pressing the following key
pad:
The error log is now saved at the SD-
card.
The error log can be reset when
pressing the key pad with the
trash bin.
Service
Test
Test functions which should only be used by the service technician in
connection with troubleshooting of the machine.
The following test can be carried out:
-
Turn on cooling unit
-
Turn on fan
-
Turn on magnetic valve
-
Turn on wire feed motor
The following information can be
displayed:
-
Power source temperature
-
DC link voltage
-
IAC module installed
P
–key pad.
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