Tweco 400 Ultra-Cut(March 2013) - Manual (Page 96)

OPERATION 4-20 Manual No. 0-5163
ULTRA-CUT 400
4.13 DPC-3000 Status Codes
DPC Status Code Key
Code Message Cause/Remedy
Group 1 - DPC
1-1 Plasma Disabled Enable Plasma; DMC Power Supply input fuse F1 blown (no lights on DMC); Defective DMC Power Supply
(E-Stop relay). Defective DPC Power Supply (E-Stop relay). Defective DPC control PCB
1-2 24 VDC fault Check /replace DPC power supply output fuse (F2); Defective DPC power supply; Replace DPC control PCB
1-3 +12 VDC fault Check /replace DPC power supply; Replace DPC control PCB
1-4 -12 VDC fault Check /replace DPC power supply; Replace DPC control PCB
1-5 5 VDC fault Check /replace DPC power supply; Replace DPC control PCB
1-6 Analog Reference fault Replace DPC Control PCB
1-7 ADC voltage fault Replace DPC Control PCB
1-8 Reserved
1-9 Valve not configured Resend process from TSC 3000 / CNC
1-10 DPC is locked Process loading, wait until finished
Group 2 - Control Communication
2-1 Acknowledge error Fiber optic cable; DPC Control PCB
2-2 Timeout Communication loss: Check DMC codes; if DMC 2-1 check DPC to DMC Fiber optic cable, DMC 4-2 check
DMC to CCM fiber-optic cable.; DPC Control PCB; DMC Control PCB; CCM.
2-3 Protocol Program firmware fault, consult factory
2-4 Bus off Fiber optic cable; DPC Control PCB
2-5 Physical Fiber optic cable; DPC Control PCB
Group 3 - Inlet Pressure Faults
3-1 Plasma Gas High (>145 PSI) Reduce pressure from gas supply; defective pressure sensor (PS4).
3-2 Pilot Gas High (>145 PSI) Reduce pressure from gas supply; defective pressure sensor (PS3).
3-3 Shield Gas High (>145 PSI) Reduce pressure from gas supply; defective pressure sensor (PS1).
3-4 Shield H2O High (>145 PSI) Reduce pressure from gas supply; defective pressure sensor (PS2).
Group 4 - Proportional Valves & Solenoids Electrical Faults
4-1 Plasma High (V5) shorted Check for shorted wire harness; Replace valve
4-2 Plasma Low (V4) shorted Check for shorted wire harness; Replace valve
4-3 Pilot (V3) shorted Check for shorted wire harness; Replace valve
4-4 Shield Gas (V1) shorted Check for shorted wire harness; Replace valve
4-5 Shield H2O (V2) shorted Check for shorted wire harness; Replace valve
4-6 Vent (SOL2) shorted Check for shorted wire harness; Replace valve
4-7 Cut (SOL3) shorted Check for shorted wire harness; Replace valve
4-8 Mark (SOL1) shorted Check for shorted wire harness; Replace valve
4-9 Vent (SOL2) open Check for open connection; Replace valve.
4-10 Cut (SOL3) open Check for open connection; Replace valve.
4-11 Mark (SOL1) open Check for open connection; Replace valve.
Group 5 - Plasma High Proportional Valve (V5)
5-1 Valve open Check for open connection; Replace valve.
5-2 DPC inlet Supply pressure low Raise plasma inlet pressure; check for DMC valve not open; restriction in gas supply / hoses.
5-3 Outlet pressure too low Valve full open. Leak in plasma hose to torch; defective control valve (V5); defective pressure sensor
(PS6); DPC Control PCB
5-4 Outlet pressure low Tracking error Leak in plasma hose to torch; defective control valve (V5); defective pressure sensor (PS6);
DPC Control PCB
5-5 Outlet pressure too high. Valve at minimun setting. Restriction in plasma hose, torch, DPC manifold; defective control valve (V5);
defective pressure sensor (PS6); DPC Control PCB
5-6 Outlet pressure high. Tracking error. Restriction in plasma hose, torch, DPC manifold; defective control valve (V5); defective
pressure sensor (PS6); DPC Control PCB