Dwyer 32A User Manual

Page 34

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Page 34

DIAGNOSTIC ERROR MESSAGES

DISPLAY
No
display lighted

FAIL tESt

CHEC SP1,
CHEC SP2,
CHEC 1SP, ...,
CHEC 16SP

CHEC SPL or
CHEC SPH

CHEC
rSpt

CHEC
LorE

ArEA

MEANING
Display is blank. Inst-
rument is not getting
power, or the supply volt-
age is too low.
Fail test appears upon
power up if the internal
diagnostics detect a fail-
ure. This message may
occur during operation if
a failure is detected.
Displays flash.

This message will
appear upon power up if
SP1, SP2, #SP1, or
##SP is set outside of
the SPL or SPH values.
This message ap-pears
at power up if SPL or
SPH values are pro-
grammed outside the
input range.
This message ap-pears if
the analog remote set
point signal is out of
range.
This message ap-pears if
the Serial
Communications has
timed out.
This message ap-pears if
the ambient temperature
of the control is out of
range or RJC sensor is
broken.

SP OUTPUTS
Set point outputs
inactive
Alarm inactive.

Set point outputs
inactive
Alarm inactive.

Set point outputs
inactive
Alarm active.

Set point outputs
inactive
Alarm inactive.

Set point outputs
active
Alarm inactive.

Set point outputs
active
Alarm active.

Set point outputs
active
Alarm active.

ACTION REQUIRED
Check that the power supply
is on, or that the external
fuses are good.

The display alternate
between FAIL tESt and one
of the following messages:
FACt dFLt: Memory may be
corrupted. Press the ENTER
key and the DOWN ARROW
key to start default factory
procedure. Recheck con-
troller programming. rEt
FACt: Unrecoverable error,
return to factory for service.
Correct the SP1, etc. or
adjust the SPL or SPH val-
ues by programming new
values.

Correct the SPL or SPH val-
ues by programming new
values.

The control will revert to
SP1. Correction of the ana-
log signal allows the control
to return to the remote.
Restore the communications
line and switch the LorE to
LOC.

Correct the ambient temper-
ature conditions. Ventilate
the area of the cabinet or
check for clogged filters. If
RJC broken, return to factor
for service.

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