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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.
MESSAGE
CHECK CONNECTION
TO PUMP
WAITING INTERLOCK
PUMP OVERTEMP.
CONTROLLER OVERTEMP.
TOO HIGH L0AD
SHORT CIRCUIT
SYSTEM OVERRIDE
OVERVOLTAGE
POWER FAIL
DESCRIPTION
Wrong connection between the pump
and the controller.
Or
The pump's temperature is below 0 °C.
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.
The upper bearing/pump temperature
exceeds 60 °C.
The controller enviroment temperature
exceeds 70 °C.
Or
The controller's radiator temperature is
above 60 °C.
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.
Check connection between controller and
pump.
Press the START push-button twice to start
the pump.
Reset the short circuit between pin 3 and
pin 8 of J1 connector, or close the external
interlock signal.
Wait until the temperature decrease below
threshold value.
Press
to start the pump.
Wait until the temperature decrease below
threshold value.
Press
to start the pump.
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
to start the pump.
Remove the controller power cable and
check the emergency condition. Then
reconnect
press
to start the pump.
Press the START push-button twice to start
the pump.
Should the message still be present, call
the Varian service.
Contact Varian for Maintenance.
68
INSTRUCTIONS FOR USE
REPAIR ACTION
the
START
push-button
the
START
push-button
the
START
push-button
the
power
cable
the
START
push-button
87-900-986-01 (C)
twice
twice
twice
and
twice
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