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6. ERROR CODES
The controller diagnoses the input signals for errors and displays the messages accordingly. These messages
inform the user of device problems. When the input value returns to the appropriate range, the alarm is deactiva-
ted and the device returns to normal operation.
Message Input
Description
Output
HHHH
Temperature
sensor
Flashes at 0.5 second intervals when the
input value is above the input range.
Standard: Heating: 0%, cooling: 100%.
Heating and cooling:
heating: 0%, cooling: 100%.
Analog
Flashes every 0.5 seconds if the input value
exceeds 5…10% of the upper or lower limit.
Standard output
LLLL
Temperature
sensor
Flashes every 0.5 seconds if the input value
is below the input range.
Standard: Heating: 100%, cooling: 0%
Heating and cooling:
heating: 100%, cooling: 0%
Analog
Flashes every 0.5 seconds if the input value
exceeds 5…10% of the lower or upper limit.
Standard output
OPEN
Temperature
sensor
Flashes at 0.5 second intervals for input
disconnection.
Sends out the set MV.
[PAR5 → ErMV]
Analog
Flashes at 0.5 second intervals when F.S.
more than ±10%.
ERR
Temperature
sensor
Flashes every 0.5 seconds when an error
has occurred in the setting and returns to
the screen before the error.
–
If the upper and lower limit scale settings are the same, ERR flashes twice and the ″Setting″ mode will be
displayed.
For analog input, ±5% of the set upper / lower limit is extended. The analog output is also expanded by comparing
the input value.
(Using a ±5% extension within the temperature range for a temperature sensor input.)