3 error messages – Liquid Controls SP4000 User Manual

Page 116

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113

SP4000 Flow Computer

12.3 Error Messages:

Cause

Power has been interrupted

Possible transient

Possible Improper wiring or
usage Message Transmission
failure.

Operator Error

Print buffer full, Data may be
lost

Temperature or pressure input
has gone below the saturated
steam range of the internal
steam tables

Temperature or pressure input
has gone below or exceeded
the range of the internal steam
tables

Flow input has exceeded input
range (if stacked, may be lo or
hi transmitter)

Input 1 signal from sensor has
exceeded input range

Input 2 signal from sensor has
exceeded input range

Input 3 signal from sensor has
exceeded input range

Open circuit detected on flow
input (if stacked, may be lo or hi
transmitter)

Open circuit detected on input 1

Open circuit detected on input 2

Open circuit detected on input 3

Open circuit detected on RTD 1
input

Short circuit detected on RTD 1
input

Remedy

Acknowledge Error
Remedy not required

Acknowledge Error
Remedy not required

Check wiring and
communication settings
/ protocol

Repeat Calibration

Check paper and
printer connections

Check application,
Insure that all sensors
are working properly

Check application,
Insure that all sensors
are working properly

Check sensor
calibration

Check sensor
calibration

Check sensor
calibration

Check sensor
calibration

Check wiring and
sensor

Check wiring and
sensor

Check wiring and
sensor

Check wiring and
sensor

Check wiring and RTD

Check wiring and RTD

Error Message

POWER FAILURE

WATCHDOG TIMEOUT

COMMUNICATION
ERROR

CALIBRATION ERROR

PRINT BUFFER FULL

WET STEAM ALARM

OFF FLUID TABLE

FLOW IN OVERRANGE

INPUT 1 OVERRANGE

INPUT 2 OVERRANGE

INPUT 3 OVERRANGE

FLOW LOOP BROKEN

LOOP 1 BROKEN

LOOP 2 BROKEN

LOOP 3 BROKEN

RTD 1 OPEN

RTD 1 SHORT

NOTE: The 24 VDC output has

a self resetting fuse.

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