30
Troubleshooting
Display Value Meaning
ERROR overheat pow.
mod.
8
Overtemperature of power module. The error can only
be reset at "no E. overheat pow.mod.". Causes:
• insufcient air ow at the heat sink (soiled)
• ambient temperature too high
• ventilator clogged
ERROR underpotential 2
Error: Undervoltage (DC link circuit). Occurs, if DC link
voltage falls below the permissible value. Causes:
• input voltage too low or unstable
• inverter rating too small
• voltage losses through wrong cabling
• the supply voltage through generator / transformer
breaks down at very short ramps
• jump factor (Pn56) too small
• if a digital input is programmed as external error input
with error message "underpotential" (Pn65).
ERROR bus 18
The adjusted monitoring time (watchdog) of the commu-
nication between control board and PC (on an optional
eldbus interface) or between control board and power
unit has been exceeded.
Warning Messages
ABN.STOP speed ctrl. lim 107
The speed controller is in limitation. The response to the
cause can be programmed with Pn75.
ABN.STOP external fault 90
This warning is triggered via an external input. The res-
ponse to this warning can be programmed.
ABN.STOP motor protect. 97
Warning: electronic motor protective relay has tripped.
The response to this warning can be programmed.
ABN.STOP drive over-
heat
96
The motor temperature has exceeded an adjustable
warning level (Pn13). The switch off time is started. The
response to this warning can be programmed.
ABN.STOP set 102
It has been attempted to select a locked parameter set.
The response to this warning can be programmed.
ABN.STOP overload 99
A level between 0 and 100 % of the load counter can be
adjusted. The warning is output on exceeding this level.
The response to this warning can be programmed.
ABN.STOP overload 2 100
The warning is output when the standstill continuous
current is exceeded (see technical data and overload
characteristics). The response to this warning can be
programmed. The warning message can only be reset
after the cooling time has elapsed and "no ABN.STOP
overload 2" is displayed.
ABN.STOP overheat int. 87
The temperature in the interior of the inverter is above
the permissible level. The switch off time was started.
The programmed response to this warning message is
executed.
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