WELBA MRF-2 Series User Manual

6. Other information
104781 - MRF-2 | MRH-2 - V2.4 - 22.07.2020 Page 43
6.2 Fault indication
Faults in the regulator are indicated by a flashing display as follows:
LED - Display
Fault
F1L*
F2L*
F3L*
F4L**
Sensor short circuit:
The sensor or sensor cable is faulty and must be replaced or
repaired. Parameter [C91] "Actual value correction" must then
be adjusted at programming level.
F1H*
F2H*
F3H*
F4H**
Broken sensor:
The sensor or sensor cable is faulty and must be replaced or
repaired. Parameter [C91] "Actual value correction" must
then be adjusted at programming level.
FFF
Measurement range exceeded:
The maximum measurement range of the sensor has been
exceeded.
F99
Memory fault:
Faulty regulator!
Remove the regulator and send it for repair.
* Number corresponds to the sensor concerned
** Number corresponds to the analogue input 0..4 mA

WELBA MRF-2 Series Specifications

General

Brand	WELBA
Model	MRF-2 Series
Category	Controller
Language	English