Hypertherm HT200LHF-200 Volt HySpeed - Manual (Page 54)

HySpeed HT2000LHF
Instruction Manual
4-1
6
Front Panel Controls and Indicators
Status Indicators Before Startup
When power is applied from the line disconnect switch and before the POWER ON (I) button is pushed, the coolant
flow LED will always be illuminated. Once the POWER ON button is pushed and held for a few seconds, this LED
will extinguish if the system is in proper working condition.
Other fault conditions may also be indicated when the line power is switched on. Be sure to press and hold the
power supply POWER ON (I) button (in some cases up to 1 minute) to extinguish all status indicators. If any LEDs
remain illuminated, shut down the system and correct the problem. See
Status LED Troubleshooting
in
Section 5
,
if necessary.
Figure 4-1 Power Supply Front Panel Controls and Indicators
Section 4
OPERATION
ON (I)
Activates the power
supply and its control
circuits. Indicator
illuminates when power
up is complete and
status indicators are
satisfied.
OFF (O)
Shuts the power
supply down.
DC ON
Illuminates when main
contactor closes,
indicating DC power is
being supplied to the
torch.
INTERLOCK
LED
Spare. This LED is
always extinguished.
TRANSFORMER
LED
When illuminated, indicates that
either the power supply main
transformer or one of the choppers is
operating above the proper
temperature range.
COOLANT LEVEL
LED
When illuminated, indicates that
the coolant level is inadequate.
SHIELD GAS/CAP
LED
When illuminated, indicates that either the shield
gas pressure is inadequate, or that the retaining
cap is installed improperly on the torch.
PLASMA GAS
LED
When illuminated,
indicates that the
plasma gas pressure is
inadequate.
COOLANT TEMP
LED
When illuminated, indicates that
the torch coolant temperature is
too hot.
COOLANT FLOW
LED
When illuminated, indicates that the
coolant flow from the torch is
inadequate.
Power Supply