4-2 DIAGNOSTICS
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Copyright © 2011 by Kaufman & Robinson, Inc., 1330 Blue Spruce Drive, Fort Collins, CO 80524
Tel: 970-495-0187, Fax: 970-484-9350, Internet: www.ionsources.com
DISCHARGE POWER SUPPLY MANUAL
MODEL DC3005, MODEL 30010, MODEL 15012
Help Code or
Error Message
Description
Possible Causes and Corrective
Action
HLP 8
RS-232 Interface Serial
Common Error.
High
current
fl
owing in the
ground connection of the
serial interface between
the unit and the PC.
Shows up only in re-
mote RS-232 operation.
Display says HLP 8 for 5
seconds.
Informational display only. No
action taken on unit operation.
Unit recovers from error condi-
tion if the problem goes away.
Make sure all of the equipment
has adequate grounding.
Hot
Thermal Overload –
Internal temperature in
the power supply is too
hot. Power supply is in
STANDBY.
Leave the power supply turned
on until the Hot message is
cleared.
Make sure there is no blockage
of the vents on the rear panel.
Ambient temperature is too high.
Reduce ambient temperature
below 40°C.
Not Rdy
Not Ready. – Discharge
Power supply is in
STANDBY.
Insuf
fi
cient line voltage. Fault
will clear itself when the power
supplies receive suf
fi
cient line
voltage.
