Agilent Technologies TwisTorr 74FS AG Rack Mode D'emploi page 206

16 Instructions for Use
Error Messages
MESSAGE
TOO HIGH
LOAD
SHORT
CIRCUIT
SYSTEM
OVERRIDE
OVERVOLTAGE
POWER FAIL
206/300
DESCRIPTION
The current drawn by the pump is
too high.
A short circuit is present on the
pump connector.
The pump is stopped by an
emergency stop signal provided via
a remote contact.
Controller power supply circuitry is
faulty or the Controller received
an unexpected excessive voltage.
Failure in the power supply section.
TwisTorr 74 FS AG Rack Controller User Manual / 87-901-055-01
REPAIR ACTION
Check that the pump rotor is
free to rotate. Press the
START push-button twice to
start the pump.
Check connections and short
circuits 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.