DIAGNOSTICS 7-9
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Copyright © 2010 by Kaufman & Robinson, Inc., 1306 Blue Spruce Drive, Unit A, Fort Collins, CO 80524
Tel: 970-495-0187, Fax: 970-484-9350, Internet: www.ionsources.com
Help Code
or Error
Message
Description
Possible Causes
and Corrective
Action
HLP 1
Current Latch – A high
current was encountered.
Power supply latched off to
prevent a failure.
Switch off the power until the
display is dark and then switch
the power back on to reset
HLP 2
Thermal Failure.
Open or shorted thermistor
detected. Contact KRI.
HLP 7
RS-485 Serial Commu-
nication Lost. - HLP 7 is
displayed when the unit is
in REMOTE and unit is in
STANDBY.
Communication for remote RS-
485 communication was detected
and then lost.
Check connection of the RS-485
cables.
Make sure Auto Controller has
input power and is turned on.
HLP 8
RS-232 Interface Serial
Common Error. - High cur-
rent
fl
owing in the ground
connection of the serial
interface between the unit
and the PC. Shows up
only in remote RS-232 op-
eration. Display says HLP
8 for 5 seconds.
Informational display only. No ac-
tion taken on unit operation. Unit
recovers from error condition if
the problem goes away.
Make sure all of the equipment
has adequate grounding.
Hot
Thermal Overload – In-
ternal temperature in the
power supply is too hot.
Power supply is in STAND-
BY.
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 auto control-
ler receives suf
fi
cient line voltage.
