15
E N G L I S H
F A U L T D E T E C T I O N
LED Relays K1
Cause
Reaction of Controller
Adjustment
Code
(for function
Explanation
factory
setting)
3 x
De-energized,
HALL-IC
Controller turns the motor off.
terminals
Incorrect signal from the Hall-ICs,
Automatic restart if no more
11-14
error in the commutation.
fault is recongized.
interrupted.
4 x
De-energized,
Line failure
(only for 3 ~ types)
terminals
The device is provided with a built-in Following a shut off, a start up
Checking
11-14
phase-monitoring function for the
attempt is made after approximately power
interrupted.
mains supply. In the event of a mains 15 seconds, if the voltage supply is
supply.
interruption (failure of a fuse or
high enough.
mains phase) the unit switches off
This keeps occurringuntil all 3
after a delay (approx. 200 ms).
supply phases are available again.
Function only when load for the con-
troller is high enough.
5 x
De-energized,
Motor blocked
EC-Controller switches off, renewed Check if
terminals
If after 8 seconds cummutation no
attempt to start after about 2,5 sec. motor is
11-14
speed is measured > 0, the fault
Final shut off, when fourth starting
freely
interrupted.
”Motor blocked” is released.
test fails. It is then necessary to have rotatable.
an enabling reset or to disconnect
the power supply.
6 x
De-energized,
IGBT Fault
EC-Controller switches off, renewed
terminals
Shortcut earth or shortcut of motor
attempt to start after about 60 sec.
11-14
winding.
)
Code 9. Final shutoff, if -
interrupted.
following a second starting test –
a second fault detection is detected
within a period of 60 seconds.
7 x
De-energized,
DC undervoltage
If the intermediate circuit voltage
terminals
If the voltage drops below a specified rises again within 75 seconds above
11-14
limit, the device is shut off.
the limit, an automatic starting test
interrupted.
is run. If the intermediate circuit
voltage remains below the limit
for more than 75 seconds, the device
is shut off with a fault message.
8 x
De-energized,
DC overvoltage
If the intermediate circuit voltage
terminals
If the voltage increases below a
drops again within 75 seconds below
11-14
specified limit, the motor is switched the limit, an automatic starting test
interrupted.
off. Reason for excessively high input is run. If the intermediate circuit
voltage or alternator motor operation. voltage remains above the limit for
more than 75 seconds, the device is
shut off with a fault message.
9 x
Energized,
IGBT cooling down period
terminals
IGBT cooling down period for
11-14
approx. 60 sec.
bridged.
Final shut off after 2 cooling-off
intervals
)
Code 6.
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