MR TAPCON 260 - Fault Elimination: Man-Machine Interface and Measured Values; Troubleshooting Man-Machine Interface Problems; Troubleshooting Incorrect Measured Values

9 Fault elimination
Maschinenfabrik Reinhausen 2014140 2374092/04 ENTAPCON® 260
Characteristics/detail Cause Remedy
Device blocking
▪ Tap difference LED illu-
minated
Tap positions of motor-drive
units ED1, ED2 and ED3 not
the same
Activate operating mode and perform
a manual tap-change operation using
keys or until the tap position of
motor-drive units ED1, ED2 and ED3
have been compared.
Bandwidth set too high - Determine recommended bandwidth
[► 66] and set parameters.
Table 45: No regulation in AUTO mode
Man-machine interface
Characteristics/detail Cause Remedy
Keys
▪ MANUAL/AUTO operat-
ing mode cannot be
changed
REMOTE operating mode
active and LED in key il-
luminated.
Press to activate LOCAL mode.
Keys
▪ LEDs in keys and
not illuminated.
Parameter error Reset parameters to factory settings
[► 123].
Display
▪ No display.
Contrast incorrectly set. Set contrast [► 39].
Voltage supply interrupted. Check voltage supply.
Fuse faulty. Contact Maschinenfabrik Reinhausen.
LEDs
▪ Freely configurable LED
lights up
Customized LED parameteri-
zation.
Check parameters.
LEDs
▪ LED flashing
Input signal not constant. Check input signal.
COM1
▪ Cannot be connected to
PC using TAPCON®-
trol.
Different baud rates set. Check baud rate set on device and PC.
Table 46: Man-machine interface
Incorrect measured values
Characteristics/detail Cause Remedy
Measured voltage
▪ No measured value.
Connection has no contact in
the plug terminal.
Check wiring and plug terminal.
Insulation trapped
Wire not inserted far enough.
Circuit breaker tripped. Check fuse.
9.3
9.4