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Error messages
Error: No temperature sensor!
Solution: Connect temperature sensor and press key “OK”.
Error: Input error!
Solution: Check last entry and press key “OK”.
Error: Negative pressure!
Measuring conn/- mixed up
The direction of flow does not conform with the arrow embossed on the body
of the double regulating and commissioning valve.
Solution: Delete message by pressing the key “OK”.
Error: No power pack!
This message appears if the submenu “charge batteries” is selected in the
main menu "System-Setup” with no power pack being connected.
Solution: Plug in power pack and press key “OK”. The red control lamp on the
flow meter will light up.
Please contact the company F.W. Oventrop GmbH & Co. KG in case of malfunction and for any further
questions.
Error: No measuring head!
Solution: Connect measuring head and press key “OK”.
The following error message may appear on the display:
!! Error !!
No temperature sensor!
> Yes <
TEMP.MEASUREMENT
!! Error !!
No measuring head!
> Yes <
!! Error !!
Input error!
> Yes <
!! Error !!
Negative pressure!
> Yes <
!! Error !!
No power pack!
> Yes <