Tweco 300 Ultra-Cut(March 2013) - Manual (Page 92)

OPERATION 4-22 Manual No. 0-5134
ULTRA-CUT 300
Code Message Cause/Remedy
6-1 Valve open Check for open connection; Replace valve.
6-2
DPC inlet Supply
pressure low Raise plasma inlet pressure; check for DMC valve not open; restriction in gas
supply/hoses.
6-3
Outlet pressure too low Valve full open but pressure still too low. Leak in plasma hose to torch; Defective control
valve (V4); Defective pressure sensor (PS6); DPC Control PCB
6-4
Outlet pressure low Tracking error. Leak in plasma hose to torch; Defective control valve (V4); Defective
pressure sensor (PS6); DPC Control PCB
6-5
Outlet pressure Too
high Valve at minimum setting but pressure still too high. Restriction in plasma hose to torch;
torch or DPC manifold; Defective control valve (V4); Defective pressure sensor (PS6); DPC
Control PCB
6-6
Outlet pressure high Tracking error. Restriction in plasma hose; torch or DPC manifold; Defective control valve
(V4); Defective pressure sensor (PS6); DPC Control PCB
7-1 Valve open Check for open connection; Replace valve.
7-2
DPC inlet Supply
pressure low Raise plasma inlet pressure; check for DMC valve not open; restriction in gas
supply/hoses.
7-3
Outlet pressure too low Valve full open but pressure still too low. Leak in plasma hose to torch; defective control
valve; defective pressure sensor (PS6); DPC Control PCB
7-4
Outlet pressure low Tracking error. Leak in plasma hose to torch; defective control valve; defective pressure
sensor (PS6); DPC Control PCB
7-5
Outlet pressure Too
high Valve at minimum setting but pressure still too high. Restriction in plasma hose, torch,
DPC manifold; defective control valve; defective pressure sensor (PS6); DPC Control PCB
7-6
Outlet pressure high
Tracking error. Restriction in plasma hose, torch, DPC manifold; defective control valve;
defective pressure sensor (PS6); DPC Control PCB
8-1 Valve open Check for open connection; Replace valve.
8-2
DPC inlet Supply
pressure low Raise plasma inlet pressure; check for DMC valve not open; restriction in gas
supply/hoses.
8-3
Outlet pressure too low Valve full open but pressure still too low. Leak in plasma hose to torch; defective control
valve; defective pressure sensor (PS5); DPC Control PCB
8-4
Outlet pressure low Tracking error. Leak in plasma hose to torch; defective control valve; defective pressure
sensor (PS5); DPC Control PCB
8-5
Outlet pressure Too
high
Valve at minimum setting but pressure still too high. Restriction in plasma hose, torch,
DPC manifold; defective control valve; defective pressure sensor (PS5); DPC Control PCB
8-6
Outlet pressure high Tracking error. Restriction in plasma hose, torch, DPC manifold; defective control valve;
defective pressure sensor (PS5); DPC Control PCB
9-1 Valve open Check for open connection; Replace valve.
9-2
DPC inlet Supply
pressure low Raise plasma inlet pressure; check for DMC valve not open; restriction in gas
supply/hoses.
9-3
Outlet flow too low
Valve full on but pressure still too low. Leak in shield hose to torch; Defective control valve
(V2); Defective pressure sensor (PS5) or flow sensor (FS-1) if equiped; DPC Control PCB
9-4
Outlet flow low
Tracking error, outlet pressure too low. Leak in shield hose to torc; Defective control valve
(V2). Defective pressure sensor (PS5) or flow sensor (FS-1) if equiped; DPC Control PCB
9-5
Outlet flow Too high
Valve set to minimum but valve outlet pressure still too high. Mineral build up or other
restriction in control valve (V2), DPC manifold, shield hose or torch; Defective control valve
(V2)/ Defective pressure sensor (PS5) or flow sensor (FS-1) if equiped; DPC Control PCB
9-6
Outlet flow high Tracking error, outlet pressure too high. Mineral build up or other restriction in control
valve (V2), DPC manufold, shield hose or torch; Defective control valve (V2); Defective
pressure sensor (PS5) or flow sensor (FS-1) if equiped; DPC Control PCB
Group 9 - Shield H2O Proportional Valve (V2)
DPC Status Code Key
Group 6 - Plasma Low Proportional Valve (V4)
Group 7 - Pilot Proportional Valve (V3)
Group 8 - Shield Gas Proportional Valve (V1)