16
Instructions for Use
Error Messages
MESSAGE
TOO HIGH
L0AD
SHORT
CIRCUIT
SYSTEM
OVERRIDE
OVERVOLTAGE
POWER FAIL
206/297
DESCRIPTION
The current drawn by the pump is
higher than programmed.
After the starting phase the output
connection is shorted.
The pump is stopped by an
emergency stop signal provided via
a remote contact.
Controller power supply circuitry is
faulty, or the Controller received a
spike.
Failure in the controller's pump
power supply section.
TwisTorr 84 FS AG Rack Controller User Manual / 87-901-037-01 (A)
REPAIR ACTION
Check that the pump rotor is
free to rotate. Press the
START push-button twice to
start the pump.
Check connections and
shortages between pump and
controller. Press the START
push-button twice to start the
pump.
Remove the controller power
cable and check the
emergency condition. Then
reconnect the power cable
and press the START push-
button twice to start the
pump.
Press the START push-button
twice to start the pump.
Should the message still be
present, call the Agilent
service.
Contact Agilent for
Maintenance.