Dwyer 16L - Manual (Page 23)

December, 1998 Page 23 of 28 949-1270
SP OUTPUTS
Set point
outputs active
Alarm active
Set point
outputs
inactive
Alarm active
Set point
outputs
inactive.
Alarm Active
Set point
outputs active
Alarm active
Set point
outputs
inactive
Alarm active
ACTION REQUIRED
Input signals may normally go
above or below range ends. If
not, check input and correct.
To reset use the INDEX &
ENTER keys. When InPt (in-
put fault timer) has been set
for a time, the outputs will be
turned off after the set time.
Setting the time to OFF caus-
es the outputs to remain ac-
tive, however UFL or OFL will
still be displayed.
Correct or replace sensor. To
reset use the INDEX & EN-
TER keys.
Check for the cause of the
error. The value setting may
be too slow for the process, or
the sensor is intermittent.
Correct the problem and press
INDEX and ENTER to reset.
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.
MEANING
Underflow or Over-
flow: Process value
has exceeded input
range ends.
UFL or OFL will se-
quence to display
one of these mes-
sages if the InPt is
set for a time value.
For RTD inputs RTD
is open or shorted.
For THERMOCOU-
PLE inputs thermo-
couple is open.
Sensor Rate of
Change exceeded
the programmed lim-
its set for SEnC.
Check calibration ap-
pears as an alternat-
ing message if the
instrument calibra-
tion nears tolerance
edges.
Check calibration ap-
pears as a flashing
message if the instru-
ment calibration ex-
ceeds specification.
DIAGNOSTIC ERROR MESSAGES
DISPLAY
UFL
or
OFL
bAd
InP
OPEn
InP
SEnC
bAd
CHEC
CAL