Operating Instructions DC-xx13 and M31xx
961-00060 rev9 22/25
6 Fault Codes and Warnings
The machine will also produce a FAULT CODE and brief description for various types of fault.
These are listed as follows :-
Fault
Description
Remedy
ERROR 1
FEEDBACK FAULT.
Check connections
FAULT 2
PULSE 1 UNDER LOW LIMIT
Check Limit Settings
FAULT 3
PULSE 1 FAILED BOTH LIMITS
Check Limit Settings
FAULT 4
PULSE 1 OVER HIGH LIMIT
Check Limit Settings
FAULT 5
PULSE 2 UNDER LOW LIMIT
Check Limit Settings
FAULT 6
PULSE 2 FAILED BOTH LIMITS
Check Limit Settings
FAULT 7
PULSE 2 OVER HIGH LIMIT
Check Limit Settings
FAULT 8
PULSE 1 UNDER LOW LIMIT AND PULSE 2 UNDER LOW LIMIT
Check Limit Settings
FAULT 9
PULSE 1 UNDER LOW LIMIT AND PULSE 2 FAILED BOTH LIMITS
Check Limit Settings
FAULT 10
PULSE 1 UNDER LOW LIMIT AND PULSE 2 OVER HIGH LIMIT
Check Limit Settings
FAULT 30
PULSE 1 OVER HIGH LIMIT AND PULSE 2 OVER HIGH LIMIT
Check Limit Settings
FAULT 31
PULSE 1 FAILED BOTH LIMITS AND PULSE 2 OVER HIGH LIMIT
Check Limit Settings
FAULT 32
PULSE 1 FAILED BOTH LIMITS AND PULSE 2 UNDER LOW LIMIT
Check Limit Settings
FAULT 33
PULSE 1 FAILED BOTH LIMITS AND PULSE 2 FAILED BOTH LIMITS
Check Limit Settings
FAULT 34
PULSE 1 OVER HIGH LIMIT AND PULSE 2 UNDER LOW LIMIT
Check Limit Settings
FAULT 35
PULSE 1 OVER HIGH LIMIT AND PULSE 2 FAILED BOTH LIMITS
Check Limit Settings
FAULT 36
PRE WELD VOLTAGE SENSING TEST FAILED. CHECK CONNECTION
OF VOLTAGE SENSING LEADS.
Check VS leads
Screen Warnings
Fault
Description
Remedy
WARNING
TOTAL PULSE TIME EXCEEDS 100MS. ENSURE PEAK
DEMAND IS SET TO A REASONABLE VALUE TO PREVENT
ANY DAMAGE TO THE POWER SUPPLY
Be sure to check the
power level is within
the duty rating
WARNING
THREE PHASE FAILURE DETECTED. CONTACT SERVICE
ENGINEER IMMEDIATELY
Check wiring/mains
WARNING
OUTPUT INHIBITED.
Check control cables
and circuit breakers
WARNING
OUTPUT STAGE TEMPERATURE ERROR.
Check that the fans
are operating and that
the vents are not
obstructed
WARNING
OUTPUT TRANSFORMER TEMPERATURE ERROR.
(M3-40/M3-60 ONLY)
Check that the fans
are operating and the
vents are not
obstructed
WARNING
OUTPUT STAGE AND OUTPUT TRANSFORMER
TEMPERATURE ERRORS.
Check that the fans
are operating and the
vents are not
obstructed
WARNING
MAIN TRANSISTOR TEMPERATURE ERROR.
Check that the fans
are operating and the
vents are not
obstructed