Display, Sp outputs, Meaning – Dwyer MPCJR User Manual

Page 23: Action required, Diagnostic error messages

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22

DISPLAY

UFL

or

OFL

CHEC CAL

ArEA

(Alternates

with PV)

ArEA

SP OUTPUTS

Set point

outputs active

Alarms active

Set point

outputs active

Alarms active

Set point

outputs

inactive

Alarms active

Set point

outputs active

Alarm active

Set point

outputs active

Alarms active

MEANING

Underflow or
Overflow: Process
value has
exceeded input
range ends.

Check calibration
appears as an
alternating
message if the
instrument
calibration nears
tolerance edges.

Check calibration
appears as a
flashing message
if the instrument
calibration
exceeds
specification.

This message
appears if the
ambient
temperature of the
control
approaches the
ends of tolerance.

This message
appears if the
ambient
temperature of the
control is out of
range or RJC
sensor is broken.

ACTION REQUIRED

Input signals may
normally go above or
below range ends. If not,
check input and correct.

Remove the instrument
for service and / or
recalibration. To reset use
the INDEX & ENTER
keys.

Remove the instrument
for service and / or
recalibration. To reset use
the INDEX & ENTER
keys.

Correct the ambient
temperature conditions.
Ventilate the area of the
cabinet or check for
clogged filters. If RJC
broken, return to factory
for service.

Correct the ambient
temperature conditions.
Ventilate the area of the
cabinet or check for
clogged filters. If RJC
broken, return to factory
for service.

DIAGNOSTIC ERROR MESSAGES

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