Agilent Technologies 969-9462, User Manual

Page: 234 / 306

16
Instructions for Use
Error Messages
Error Messages
For a certain type of failure, the controller will self-diagnose the
error and the messages described in the following table are
displayed.
Tab. 2
MESSAGE DESCRIPTION REPAIR ACTION
CHECK CONNECTION TO
PUMP Wrong connection between the pump
and the controller. Check connection between
controller and pump.
Press the START push-button
twice to start the pump.
PUMP WAITING INTERLOCK The interlock signal of P1 connector is
activated by an interruption of the link
between pin 3 and 8 of J1 connector,
or because the external interlock signal
is open. Reset the short circuit between
pin 3 and pin 8 of J1 connector,
or close the external interlock
signal.
FAULT: PUMP OVERTEMP. The upper bearing/pump temperature
exceeds 60 °C.
The lower bearing/pump temperature
exceeds 80 °C. Wait until the temperature
decrease below threshold value.
Press the START push-button
twice
to start the pump.
FAULT: CONTROLLER
OVERTEMPERATURE The controller transformer temperature
exceeds 90 °C or the temperature on
the outgoing Mosfets radiator exceeds
60
° C.
Wait until the temperature
decrease below threshold value.
Press the START push-button
twice
to start the pump.
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