Dwyer MPCJR - Manual (Page 22)

21
DISPLAY
No
display
lighted
FAIL
tESt
CHEC
LorE
SP OUTPUTS
Set point
outputs inactive
Alarms inactive
Set point
outputs inactive
Alarms inactive
Set point
outputs active
Alarms inactive
MEANING
Display is blank.
Instrument is not
getting power, or
the supply
voltage is too
low.
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.
This message
appears if the
Serial
Communications
has timed out.
ACTION REQUIRED
Check that the power
supply is on, or that the
external fuses are good.
The display alternates
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 the factory default
procedure. Recheck
controller programming.
rEt FACt : Unrecoverable
error, return to factory for
service.
Restore the
communications line and
switch the LorE to LOC.
DIAGNOSTIC ERROR MESSAGES