Status messages
Message
Cause
Error elimination
_ _ _
Key-lock active
Change parameter P19 or A19
F1L
Sensor error,
short-circuit at sensor F1
Check sensor
F1H
Sensor error,
open-circuit at sensor F1
Check sensor
F2
Wrong connection of Pt100 sensor
Check connection
display flashes
Temperature alarm at too high or too
low temperature (if activated) see A31
Buzzer
Temperature alarm at too high or too
low temperature (if activated) see A31
The buzzer function can be
switched off with the DOWN-key
EP, display
flashes
Data loss at parameter memory
(Contacts K1 and K2 are switched off)
If error cannot be eliminated by
switching on/off, the controller must
be repaired
Error messages are saved and indicated even if the cause is eliminated. Pressing the DOWN key
deletes the error message.
Summary of Contents for ST70-31.03
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