What To Do If - Riello RWF40 Manuel D'entretien

WHAT TO DO IF ...

...NUMBERS ARE FLASHING ON THE DISPLAY
This is an indication that a measured value is not being acquired correctly.
Note. The detection of measurement range crossings depends on the type of sensor used.
Display
SIEMENS
1999
60.0
SIEMENS
1999
tA
SIEMENS
1999
SP.E
SIEMENS
53.2
1999
Description
Actual value display (red) shows
"1999" flashing.
Setpoint display shows the set-
point.
K6
When analog input 3 is configured
for outside temperature (C111)
and the measurement is called up,
the actual value display (red)
shows "1999" flashing.
K6
When analog input 2 is configured
(C111) and the measurement is
called up, the process value dis-
play (red) shows "1999" flashing.
K6
Actual value display (red) shows
"XXXXXX".
Setpoint display (green) shows
"1999" flashing.
K6
Cause / controller behavior / remedy
Overrange or underrange on analog input 1.
The actual value has not been measured.
Controller initiates lockout.
The auxiliary contact responds to analog input 1
according to the configuration (C113).
Check the electrical connections and the probe
status (fault).
Overrange or underrange on analog input 3.
The outside temperature has not been measured!
The outside temperature setpoint is inactive!
Check the electrical connections and the probe
status (fault).
Overrange or underrange on analog input 2.
The external setpoint has not been measured.
Controller initiates lockout.
Check the electrical connections and the external
setpoint signal.
Overrange or underrange on analog input 2.
The setpoint shift has not been measured. Con-
troller initiates lockout.
Check the electrical connections and the external
setpoint signal.
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