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• DOK-POWER*-TVD*1.3****-ANW1-EN-E1,44 • 02.97
6. Troubleshooting
6.2. Diagnostic display
Note that the signals are only valid if the "+24V,+/-15V"-message is displaying
a stead green light!
LEDs
H1B
green
(1) Signal and unit locking is stored.
This can be cleared by pressing the reset key or by switching the
electronics power source back on.
H2B
green
H3B
green
H4B
green
H1A
red
H2A
red
H3A
red
H4A
rot
+24V /
±
15V
POWER
P-FAULT
MAINS
Bb1
OFF
Signal voltages
faulty
current in power
section
within permissible
limits
braking power of
drive within permissible
range
unit temperature
within
permissible range
voltage in power section
has not exceeded its
maximum value
Fault in supply
module or in drive
(1)
Connected load
faulty,
phase missing or
mains voltage
too low
mains contactor not
on or faulty,
power rectifier
faulty
Flashing
braking output of
drive may not be
permitted to rise
further
"Steady" light
Supply module
and drives
are fault-free
Signal voltages
in order
shutdown due to
overcurrent, short-circuit
in TVD, in drive, in cable
or in motor (1)
shutdown due to
excessive braking
power
(1)
power shutdown
due to excessively
high
unit temperature (1)
overvoltage
fuse has been
tripped
connected
load
in order
DC bus voltage
in order
unit temperature too high,
power shutdown in
30 seconds
power on with short
circuit in TVD, in the
drive, in the cable or
motor
TVD/Diagnoseanz
T-FAULT
I-FAULT
U-FAULT
Fig. 6.1:
Diagnostics displays of the TVD 1.3