Tweco Dynamics Automation - Manual (Page 18)

Fault Code Key
Error
Code
Error Remedy / Comments
2-1 Missing Phase Blown fuse, Broken or loose connection on power cable
2-2 Wrong input voltage
Inverter(s) not configured correctly for input voltage;
Poor power quality (brownouts, dropouts); Input power capacity
/ wiring too small causing voltage drop; broken or loose power
cable connections.
2-3
Inverter or Pilot
Regulator Over
Temperature
Failed fan; Ambient above 40 deg C. (104 F); Blocked airflow
2-4
Power Supply not
Ready
Defective inverter
2-5 DC Output Low
Output less than 60 VDC; Defective inverter, shorted output;
Shorted pilot regulator (chopper); CCM voltage sense (J6) wire
open or disconnected.
2-6
Primary over current
fault Over current detected in inverter primary circuit, remove power
to reset; defective inverter; voltage surge;
2-7 Unexpected current
Current >20A in work or pilot leads before pilot ignition; Possible
shorted torch; Defective current sensor.
2-8
Unexpected current
in pilot circuit
Current > 5A in pilot circuit; wrong or mismatched consumables;
Pilot lead shorted to negative in torch tube; Possible shorted
torch
2-9
Unexpected current
in work lead Current > 5A in work lead; Short to chassis in RAS; Negative
lead short to ground.
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