MR TAPCON 250 - Tap position capture incorrect; Other faults

11 Fault elimination
Maschinenfabrik Reinhausen GmbH 2022 1778595028/00 EN TAPCON
®
250
11.7 Tap position capture incorrect
Characteristics/details Cause Remedy
Position indicator incorrect.
▪ Leading sign incorrect.
Incorrect wiring. Check wiring.
Connect as shown in the connection diagram.
Minimum value of the analog in-
put signal not configured cor-
rectly.
Check parameters.
Minimum value of the analog in-
put signal not configured cor-
rectly.
Check parameters.
Faulty tap position table. Check the tap position table.
Position indicator incorrect.
▪ Display fluctuates.
Interference. Shield the line.
Increase the distance from the source of inter-
ference.
Lay interference lines separately.
Route the signal in separate lines (filter,
shielded lines).
No position indicator.
▪ "- -" is displayed.
No measurement signal.
No L- for digital input.
Connect the signal as shown in the connection
diagram.
Check wiring.
Connect as shown in the connection diagram.
Check parameters and activated signals.
Tap position capture over resistor
contact series faulty.
Faulty calibration. Calibrate the tap position capture over resistor
contact series.
Modified contact resistance val-
ues of the resistor contact series
(e.g. due to weather or age).
Calibrate the tap position capture over resistor
contact series.
Table55: Tap position capture
11.8 Other faults
If you cannot resolve a problem, please contact Maschinenfabrik Rein-
hausen. Please have the following data ready:
▪ Serial number
– Nameplate
– Info screen
▪ Software version