Lincoln Electric POWER WAVE C300 Service Manual page 32

F-13
Error Code #
331 Peak input current limit
333 Under-voltage lockout
336 Thermal Fault
337 Pre-charge timeout
346 Transformer primary over current
Other
TROUBLESHOOTING AND REPAIR
Observe all Safety Guidelines detailed throughout this manual
input control boarD
Input current limit has been exceeded. Typically indicates short term
power overload. If problem persists contact Service Department.
+15 VDC supply on Input control board too low. Verify input voltage
is within the acceptable range. If problem persists contact service
department.
Thermostat on primary module tripped. Typically caused by the fan
not working. Thermostat may be faulty. See Wiring Diagram.
Problem with start-up sequence. If problem persists contact Service
Department.
Transformer current too high. Typically indicates short term power
overload. If problem persists contact service department.
Contact the Service Department @ 1-888-935-3877.
POWER WAVE® C300
Indication
F-13