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11 Fault elimination
Maschinenfabrik Reinhausen GmbH 2021
141
7817454/02 EN
TAPCON
®
230 Expert
11 Fault elimination
This chapter describes how to rectify simple operating faults.
11.1 General faults
Characteristics/details
Cause
Remedy
No function
▪
Power supply
LED does not
light up
No power supply
Check the power supply.
Fuse tripped
Contact Maschinenfabrik Reinhausen GmbH.
No function
▪
AVR STATUS
LED does not
light up
Configuration error
Contact Maschinenfabrik Reinhausen GmbH.
Relay chatter
High EMC load
Use shielded cables or external filters.
Poor grounding
Check the functional ground.
Table 48: General faults
11.2 No regulation in AUTO mode
Characteristics/detail
Cause
Remedy
Device control commands have
no effect.
Local/Remote switch in motor-
drive unit switched to LOCAL.
Check operating mode. Correct if necessary.
No connection.
Check wiring as per connection diagram.
Automatic voltage regulation is
blocked.
▪
ALARM
LED lights up in accor-
dance with event configuration
and a corresponding event is
active.
Limit value with auto blocking or
auto-manual blocking behavior
has been exceeded
Check parameters. Correct if necessary.
The switching direction monitor-
ing has recorded a malfunction
and triggered the associated
event.
Check cause of event and then acknowledge
event.
The motor protective switch has
triggered. Motor protective switch
event active.
Check what caused the motor protective switch
to trigger and engage motor protective switch if
necessary.
Automatic voltage regulation is
blocked.
Signal at "Block automatic voltage
regulation" input
Check signal source.
Target-tap-position operation ac-
tive
Check configuration of target-tap-position oper-
ation function. If necessary, remedy cause.
"Blocking" function is linked to a
digital input or control system
message.
Check signal source or control system. If neces-
sary, reset.
Automatic voltage regulation is
blocked.
▪ Measured voltage too low (<
30 V)
Voltage measurement incorrect
Check voltage measurement.
Bandwidth set too high
-
Determine the recommended bandwidth.
Содержание TAPCON 230 AVT
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