9 Operational and error diagnosis
The operation of the frequency inverter and the connected load is continuously
monitored. The operating and error diagnosis documented in the brief instructions
are complemented by the information given in the operating instructions.
9.1 Status message
The green and red light-emitting diodes give information about the operating point of
the frequency inverter. If the operating unit has been attached, the status reports are
additionally displayed by the display elements RUN, WARN and FAULT.
Status display
green LED red LED Display Description
off off - No power supply
on on - Initialization and self-test
flashes off RUN flashes Ready for operation, no output signal
on off RUN Operational message
on flashes
RUN on +
WARN flashes
Operational message, current
Warning 269
flashes flashes
RUN flashes +
WARN flashes
Ready for operation, current
Warning 269
off flashes FAULT flashes
Last Error 310 of the frequency inverter
off on FAULT
Last Error 310, acknowledge error
9.2 Warning message
The code which can be read out via parameter
Warnings 269 can be composed of
several messages. For example, code A0088 signals the individual warning messages
A0008 + A0080.
Warning messages
Code Meaning
A0000 No warning message available.
A0001 Frequency inverter overloaded, warning code (A0002 or A0004)
A0002 Frequency inverter overloaded (60 s), check load behavior.
A0004 Short-term overload (1 s), check motor and application parameters.
A0008 Max. heat sink temperature reached, check cooling and fan.
A0010 Max. inside temperature reached, check cooling and fan.
A0020 Speed reference value is limited by a controller.
A0080 Max. motor temperature reached, check motor and sensor.
A0100 Mains phase failure, check mains fuses and supply cable.
A0400 Limit frequency reached; output frequency is limited.
A4000 DC link voltage has reached the type-specific minimum.
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