Code
Relay
K1
Explanation
Reaction of device
Adjustment
4
de-energized, 13 -
14 interrupted
Phase failure / line error
The controller is provided with a built-in
phase-monitoring function for the mains
supply. In the event of a mains interrup-
tion (failure of a fuse or mains phase) the
unit switches off after a delay (approx.
15 s).
Only functioning with an adequate load
for the controller.
Following a shutoff, a startup attempt is
made after approximately 15 s, if the
voltage supply is high enough. This
keeps occurring until all 3 supply phases
are available again.
Check line voltage.
5
de-energized, 13 -
14 interrupted
Motor blocked
(speed too low)
When operating with permanent sole-
noid-excited synchronous motor.
The system requires a minimum speed
in the start phase, which it must also not
fall below during operation (level de-
pendent on the motor design).
Possible causes: Motor blocked, drive
overload
The modulation is immediately deacti-
vated (warning status).
A maximum of 5 starting tests are per-
formed before the
fi
nal switch-off (fault
status).
Reset by disconnecting the line voltage
necessary.
Check if motor is freely rotatable.
6
de-energized, 13 -
14 interrupted
IGBT Fault, shortcut earth, IGBT
Ready, load driver
Earth fault or short-circuit at inverter out-
put.
The device switches off, renewed at-
tempt to start after about 70 s see Code
9.
Final switch-off if there is a repeated fault
detection after < 75 s following a de
fi
ned
number of permitted starting tests.
Permitted starting tests dependant on
fault message:
•
IGBT and shortcut earth: 3 x
•
IGBT Ready: 5 x
•
Load driver: 8 x
Cooling-off interval dependant on fault
message
•
IGBT and shortcut earth: 70 s
•
IGBT Ready: 10 s
•
Load driver: 2 s
Reset by enable or line voltage ON /
OFF.
7
de-energized, 13 -
14 interrupted
Intermediate undervoltage
Intermediate circuit voltage below a
fi
xed
limit for longer than 75 s.
The modulation is switched off immedi-
ately at undervoltage, error message
after 75 s.
Automatic switching back on and switch-
ing off of error message when the volt-
age exceeds the
fi
xed limit for at least 2
s.
Check line voltage.
8
de-energized, 13 -
14 interrupted
Intermediate circuit overvoltage
Buffer-Elko overvoltage
Intermediate circuit voltage above
fi
xed
limit for longer than 75s.
Reason for excessively high line voltage
or alternator motor operation.
The modulation is switched off immedi-
ately at overvoltage, error message after
75 s.
Automatic switching back on and switch-
ing off of error message when the volt-
age drops below the
fi
xed limit for at
least 2 s.
Check line voltage.
Prevent generator motor operation.
9
energized, 13 - 14
bridged
IGBT cooling down period
Duration of required IGBT cooling-off in-
terval dependant on fault message
Final switch-off following de
fi
ned number
of cooling-off intervals
code 6 and
code 14.
10
de-energized, 13 -
14 interrupted
Communication fault
MODBUS communication interrupted
See description MODBUS communica-
tion
Operating Instructions
PMIcontrol Basic-M
–
model series FSDM5...46
Diagnostics / Faults
L-BAL-E300-GB 1905 Index 001
Part.-No.
37/48
