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Liquid Controls SP3850 User Manual

Page 75

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71

SP3850 Flow Computer

13.3 Error & Warning Messages: (Continued)

Cause

Analog input signal of the
auxiliary input exceeded by
more than 3%:
• Sensor overranged
• Incorrect full scale setting

of transmitter

• Function error in

transmitter or faulty wiring

Battery voltage too low

Fault in analog/digital
converter

The correct time/date is no
longer shown

Calibration constants have
been corrupted

The units setup has been
corrupted

Input current at RTD or
Thermistor input too low:
• Faulty wiring
• RTD/Thermistor defective

Remedy

• Check analog

signal range

• Check the

application
conditions

• Check wiring

• Replace Battery
• Consult Factory for

service information

• Unit may self

correct, Press
ENTER to
acknowledge &
clear alarm

• If error reasserts,

factory service is
required

• Re-enter time and

date.

• If error occurs

again contact
factory

• Report error to

factory

• Report error to

factory

• Check wiring
• Check function of

RTD/Thermistor
sensor

Error/Warning Message

AUX INPUT TOO HIGH!

BATTERY LOW WARNING

A to D NOT CONVERTING

TIME CLOCK ERROR

CAL CHECKSUM ERROR

SETUP CHECKSUM ERROR

RTD/THERM FAILURE

13.3.2
Self Test Alarms