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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

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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.

(

^ 8−4)

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If the error is no longer active or has been acknowledged: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