4 reset of fault indications, Reset of fault indications, Troubleshooting and fault elimination – Lenze 8240 frequency inverters User Manual
Page 55
Troubleshooting and fault elimination
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8-5
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8.4
Reset of fault indications
TRIP
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Code
Name
Possible settings
IMPORTANT
Lenze
Selection
Info
C170
¿ TRIP-reset selection
-0-
TRIP-reset by pressing the STP key
or a LOW signal at ctrl. enable
-1-
Auto-TRIP reset
C171 Deceleration for
Auto-TRIP reset
0
0
{1s}
60
Function
You can select whether the active fault is to be reset automatically or manually.
Auto-Trip reset does not reset all faults automatically.
Activation
C170 = -0-:
D
Manual TRIP-reset
D
STP key
D
LOW signal at terminal 28
C170 = -1-:
Auto-Trip reset resets the following fault messages after the time set under C171:
- OC3 (overload during acceleration)
- OC4 (overload during deceleration)
- OC5 (overload)
- OC6 (I ¡ t switch-off)
- OH (overtemperature)
- OUE (overvoltage in DC bus)
Important
Mains switching always resets TRIP.
With more than 8 auto-trip resets within 10 minutes, the controller sets TRIP and indicates rST
(numerator exceeded).
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