Lincoln Electric IM10118 POWER WAVE S500 - Manual (Page 33)

E-4 TROUBLESHOOTING E-4
POWER WAVE ® S500
Observe all Safety Guidelines detailed throughout this manual
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
CAUTION
INPUT CONTROL BOARD
Error Code # Indication Type
331 Instantaneous Input Current
Limit
Instantaneous input current limit has been exceeded. Typically
indicates short term power overload. If problem persists contact
Service Department.
Persistent
334 Startup Current Check Failure
Input current limit was exceeded during machine power-up. If
problem persists contact Service Department.
Persistent
335 Startup Voltage Check Failure
Input voltage was too high or too low during machine power-up.
Verify that the input voltage is between 200V and 650V.
Temporary
336 Thermal Fault
Thermostat on primary module tripped. Typically caused by a fan
malfunction or blocked air vent.
Temporary
337 Precharge Timeout
The DC bus voltage was not charged to a certain level at end of
precharge. If problem persists contact Service Department.
Persistent
338 Input Power Limit
The input power drawn by the machine exceeded a safe level. If
problem persists, contact the Service Department.
Persistent
341 Input Voltage Dropout
The input voltage momentarily dropped out. Check connections
and verify quality of input power.
Temporary
346 Transformer Primary
Overcurrent Transformer current too high. Typically indicates short-term power
overload. If problem persists, contact the Serivce Department.
Persistent
347 Average Input Current Limit
Average input current limit has been exceeded. Typically indicates
short term power overload. If problem persists contact Service
Department.
Persistent
349 Bus Undervoltage
The DC bus voltage dropped below the allowable limit. If problem
persists, contact the Service Department.
Temporary
Persistent errors require power to be cycled for the error to clear.
Temporary faults will go away on their own if the error condition is removed.