8 troubleshooting and fault elimination, 1 troubleshooting, 1 status display (leds on the controller) – Lenze 8200 motec frequency inverter 0.25kW-7.5kW User Manual
Page 168: 2 leds on the drive controller (status display), 1 error analysis with the history buffer, Troubleshooting, Status display (leds on the controller), Leds on the drive controller (status display), Error analysis with the history buffer, Troubleshooting and fault elimination
Troubleshooting and fault elimination
Troubleshooting
8−1
L
EDB82MV752 EN 5.2
8
Troubleshooting and fault elimination
8.1
Troubleshooting
Detecting failures
The controller LED’s and the status information at the keypad immediately indicate errors or
operation problems.
Analysing errors
You can analyse an error using the history buffer. The list Error messages" helps you to eliminate
the error.
(
8.1.1
Status display (LEDs on the controller)
During operation, the operating status of the controller is indicated by means of two LEDs.
8.2
LEDs on the drive controller (status display)
LED
−20−
Operating status
red
green
off
on
Controller enabled
on
on
Mains switched on and automatic start inhibited
off
slowly blinking Controller inhibited
off
fast blinking
Motor parameter identification being executed
fast blinking
off
Undervoltage switch−off
slowly blinking off
Fault active, check under C0161
8.2.1
Error analysis with the history buffer
Tracing back failures
Failures can be traced back via the history buffer. Error messages are stored in the history buffer in
the order of their occurrence.
The memory locations can be retrieved via the codes.
Structure of the history buffer
Code
Memory unit
Entry
Comment
C0161
History buffer location 1
Active error
If the error is no longer active or has been acknowledged:
·
The contents of the memory locations 1 ... 3 are saved in a
"higher" location.
·
The contents of the memory location 4 will be eliminated from the
history buffer and cannot be read any longer.
·
Memory location 1 will be deleted (= no active fault).
C0162
Memory location 2
Last error
C0163
Memory location 3
Last but one error
C0164
Memory location 4
Third last error