Diagnostics And Fault Elimination; Led Status Display - Lenze R750-C Montage- Und Einschaltanleitung

Diagnostics and fault elimination

LED status display

The multi-colour LED status display on the front of the regenerative module provides
information on the operating states.
Example of a flash code: Flash code 4 red (failure of at least one mains phase) means 4 times
0.4 s on / 0.2 s off, is repeated after 1 s
Even short-time events are displayed with a complete flash code.
LED
Colour Blinking pattern
◌
without
off
on
blue
on
green
orange
...
red
Meaning
Device is off.
DC-bus supply voltage and mains voltage are not available or device is defective.
Device is switched on.
No error available.
Feedback is disabled. (DI1 is HIGH)
Warning - flash code 1
Feedback is enabled but no mains has been detected.
Warning - flash code 2
Feedback is enabled but no DC-bus voltage has been detected.
Device is ready for operation.
Feedback is enabled.
Current regenerative power 0 kW.
Regenerative
Flash frequency proportionately to the current height.
No warnings or errors.
Warning - flash code 1
Ready for operation or regenerative, warning of mains monitoring
Warning - flash code 2
Regenerative, Ixt or current limit reached.
Warning - flash code 3
Regenerative, temperature threshold reached.
Error - flash code 4
Failure of at least one mains phase.
Error - flash code 5
Mains frequency is outside the permissible range.
Error - flash code 6
Mains frequency change is outside the permissible range.
Error - flash code 7
Mains voltage is outside the permissible range.
...
Error - flash code 8
Permissible operating temperature has been reached or exceeded.
Error - flash code 9
DC-bus voltage is above the limit value.
Error - flash code 10
Regenerative current is above the limit value.
Error - flash code 11
Fan is not in operation.
Error - flash code > 11
Contact Lenze Service.
Diagnostics and fault elimination
LED status display
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