OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ote.com 70
SAMP TEMP HIGH ALARM: The sample temperature is above the
instrument’s operational limit. This error will turn off the heaters and the pump
until the temperature returns to a safe level. This error indicates a major
problem in the heater control circuit. Contact OFITE technical services for
assistance.
BATH TEMP HIGH ALARM: This error applies to the bath temperature.
PRESS CONTROL ERROR: The pressure controller is unable to properly
regulate the pressure. The following conditions can cause this error:
- The PUMP switch is not set to AUTOMATIC
- Loss of air pressure to the pump
- Incorrect air pressure setting
PRESS TOO HIGH ALARM: The pressure is more than 2,000 PSI (13.8
MPa) above the setpoint. The heaters and pumps will be turned off until the
pressure returns to a safe level. Allow the cell to cool to below 200°F (93.3°C)
and then manually release the pressure. This error indicates a problem in the
pressure control circuit. Contact OFITE technical services for assistance.
POT VOLTS ERROR: The potentiometer is not sending voltage information
to the control board. There are two likely causes. The DC VOLT switch may
be turned off during a test. Or the contact arm on the potentiometer has lost
contact with the resistor.
SAMP TC SENSOR BREAK: The sample thermocouple is unplugged. The
heaters and pump will be turned off until the sample thermocouple is plugged
back in.
BATH TC SENSOR BREAK: The bath thermocouple is unplugged. The heaters
and pump will be turned off until the bath thermocouple is plugged back in.
PRESS SENSOR BREAK: The pressure transducer is disconnected.
The heaters and pump will be turned off until the pressure transducer is
reconnected.
POT SENSOR BREAK: The Eurotherm 2408i has lost the connection to the
potentiometer.
CHECK MOTOR SWITCH: The MOTOR switch is not set to
AUTOMATIC during a test.
MOTOR STALLED: The motor has stalled during a test. If the motor has
stalled on accident, it can be restarted by turning it off for two seconds and
then turning it back on. However, if there is excessive drag in the drive train
or the cement slurry hardens, the instrument will have to be repaired.
To restart a stalled motor, the MOTOR switch must be off for at least two
seconds. Flipping the switch quickly will not restart the motor.
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