16 Instructions for Use
Error Messages
MESSAGE
DESCRIPTION
REPAIR ACTION
FAULT: TOO HIGH
LOAD
In normal operation, the current
drawn by the pump is higher
than programmed.
Check that the pump rotor
is free to rotate.
Press the START push-
button twice to start the
pump.
FAULT: SHORT
CIRCUIT
During normal functioning (after
the start-up phase), a short-
circuit condition has been
detected in the power circuit.
Check connections and
shortages between pump
and controller. Press the
START push-button twice
to start the pump.
OVERVOLTAGE
A failure has occurred in the
controller power supply section,
or the controller has received a
disturbance from the mains.
Press the START button
twice to start the pump
again. If the message is
redisplayed, contact
Agilent for maintenance.
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TwisTorr Medium-TMP Rack Controller User Manual /
87-901-049-01 (B)