Tweco 300 XT Ultra-Cut Plasma Cutting System - Manual (Page 175)

ULTRA-CUT 300 XT
Manual 0�5�7� PPENDIX �69
307 Gas Control returns wrong command sequence.
Firmware incompatibility. Consult factory for latest firmware update. Possible electromagnetic interference
from the rc Starter; inspect grounding; bonding; and isolation.
308 Mismatch between the CCM and gas control type.
The uto�Cut XT CCM is designed to work with the GCM 1000 (C 300 XT) or the built in gas control of the C
�00 XT. ttempting to use a GCM �010 or DFC 3000 uto Gas Control on an uto�Cut will result in a 308 code.
Similarly attempting to use a CCM from an uto�Cut XT in an Ultra�Cut XT supply will also result in a 308 code.
309 Gas Control Communication reply fault.
Relay doesn’t match what was requested. Possible firmware incompatibility. Consult factory for latest firm�
ware update.
Possible electromagnetic interference from the rc Starter; inspect grounding; bonding; and isolation.
310-313 DFC 3000 Auto Gas Faults.
These different codes displayed on the power simply indicate one of the uto Gas modules (DPC for codes
310 or 311; DMC for 31� and 313 could be either) is reporting a fault. You need to refer to the specific modules
blinking red LED status indicator and the Status code tables for more information.
GCM 2010 Status Codes
GCM �000 has an LED on the front panel which blinks various codes.
GCM �010 has LCD display which displays many of the Status messages. However, there are a few relating to
communications that aren’t clear.
When there is a communication error it will be displayed but once it has recovered the display will show what
the error was by displaying:
^E� – Low level CN bus error where the CCM did not acknowledge receiving a message from the Gas Control.
^E5 – Low level CN bus error where the bus is off.
^E6 – CN bus communication (the fiber�optic) has timed out.
Group 4 codes relate to the Liquid Cooling System
Cooling system description. System includes a reservoir, a pump, one or more heat exchangers, flow switch,
level switch and flow sensor on some models. lso included are a filter and various fittings and hoses. New
coolant is installed into the reservoir or “tank” from an opening in the unit’s front panel where there is a visual
level indicator. Coolant flows to the pump inlet from the bottom of the tank, is pumped through a pressure
relief or “bypass” valve which limits MX pressure to 150 PSI bypassing excess flow back into the reservoir.
The coolant temperature sensor, TS1, a linear NTC sensor, is mounted on the bypass valve.
From the bypass valve in most systems coolant is plumbed to the rear panel coolant supply fitting where it
goes to the torch via the RS 1000 XT, the remote arc starter, The UC �00 XT had an additional external heat
exchanger, the HE �00XT in the supply line between the power supply and the remote arc starter. In the C
�00 XT with built in arc starter coolant goes to the water cooled HF (high frequency) coil and then to the torch
supply lead attached to the internal torch connection bulkhead. Coolant from the Torch returns to the RS and
on to the return fitting on the rear of the power supply. For the C �00 XT return is to the torch bulkhead built
in to the unit. Coolant returning from the torch is routed through the rear panel filter then through the radia�
tor (internal heat exchanger) and through the flow switch. Ultra�Cut models also have a flow sensor in series
the flow switch that can detect bubbles in the coolant. Upon leaving the radiator, coolant goes into the bottom
inverter “cold plate” or liquid cooled heat sink. It flows through the inverters in series and returns to the tank.
detect bubbles in the coolant. Upon leaving the radiator, coolant goes into the bottom inverter “cold plate” or
liquid cooled heat sink. It flows through the inverters in series and returns to the tank.