8 Fault elimination
Maschinenfabrik Reinhausen 2014 1293550953/00 EN TAPCON® 230 pro
Characteristics/detail Cause Remedy
Step display incorrect.
▪ Display fluctuates.
Interference. Shield the line.
Increase distance from source of interfer-
ence.
Lay interference lines separately.
Route signal in separate lines (filter,
shielded lines).
No step display.
▪ "-" is displayed.
No measurement signal.
No L- for digital input.
Connect signal as shown in connection di-
agram.
Check wiring.
Display MIO card status.
Display PIO card status.
Connect as shown in connection diagram.
No step display.
▪ "?" is displayed.
Bit combination (code) im-
permissible.
Check wiring.
MIO card status.
Display PIO card status.
"Motor running" signal pres-
ent.
Check signal sequence
Display MIO card status.
Display PIO card status.
Table 41: Tap position capture
Customized GPIs/GPOs
Characteristics/detail Cause Remedy
Function expected from the
factory setting does not take
place
Parameterization has been
overwritten manually or via
TAPCON®-trol.
Check active parameters
Signal discontinuous. Intermittent DC voltage. Check source of DC voltage.
Check signal transmitter.
Check wiring.
No signal
Info screens "Bandwidth!,
"Delay time T1", "Control re-
sponse T1", "Delay time T2"
display 0.
Supply voltage too low Reset parameters to factory settings.
Table 42: Fault elimination: GPIs and GPOs
General faults
Characteristics/detail Cause Remedy
No function
▪ Operating status LED
does not illuminate
No power supply Check the power supply
Fuse tripped Contact Maschinenfabrik Reinhausen
GmbH
Relays chatter Supply voltage too low Check the supply voltage
8.7
8.8
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