Lenze 8200 Frequency inverters - Manual (Page 236)

Troubleshooting and fault elimination
8200SHB0199 8-1
8 Troubleshooting and fault elimination
Occuring faults can be easily recognized through the display elements or status
information (chapter 8.1).
The faults can be analysed with the history buffer (chapter 8.2) and the list in
chapter 8.3, which helps you to eliminate the faults.
8.1 Troubleshooting
8.1.1 Display at the controller
During operation without operating module, two LEDs at the front indicate the
operating status of the controller.
LED Operating status
green red
Operating status
on off Controller enabled
on on Mains switched on, automatic start inhibited (AS_LC)
blinking off Controller inhibited
off blinking every second Fault message, check under C161
off blinking every 0.4 seconds Undervoltage switch-off
off off Programming mode (only 820X)
8.1.2 Display at the operating module
Status message in the display indicate the controller status.
Display Meaning
OV Overvoltage
UV Undervoltage
IMAX Set current limit exceeded
TEMP Heat sink temperature near switch-off limit
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