Mercoid Series MPC, Технические характеристики - Инструкция по установке и эксплуатации

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13
DIAGNOSTIC ERROR MESSAGES
Display Meaning SP Outputs Action Required
No display
lighted
Display is blank. Instrument is
not getting power, or the supply
voltage is too low.
Set point
outputs inactive
Alarms inactive
Check that the power supply is on, or that the
external fuses are good.
FA1L
tESt
Fail test appears upon power
up if the internal diagnostics
detect a failure. This message
may occur during operation if
a failure is detected. Displays
flash.
Set point
outputs inactive
Alarms inactive
The display alternates between
FA1L tESt
and
one of the following messages:
FACt dFLt
:
Memory may be corrupted. Press the ENTER
key and the DOWN ARROW key to start the
factory default procedure. Recheck controller
programming.
rEt FACt:
Unrecoverable error,
return to factory for service.
CHEC
LorE
This message appears if the
Serial Communications has
timed out.
Set point
outputs active
Alarms inactive
Restore the communications line and switch
the
LorE
to
L0C
.
UFL
or
0FL
Underflow or Overflow: Process
value has exceeded input range
ends.
Set point
outputs active
Alarms active
Input signals may normally go above or below
range ends. If not, check input and correct.
CHEC CAL
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.
Set point
outputs active
Alarms active
Set point
outputs
inactive
Alarms active
Remove the instrument for service and / or
recalibration. To reset use the INDEX and
ENTER keys.
Remove the instrument for service and / or
recalibration. To reset use the INDEX and
ENTER keys.
ArEA
(Alternates
with PV)
ArEA
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.
Set point
outputs active
Alarm active
Set point
outputs active
Alarms active
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.
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