Error code

Yaskawa CIMR-F7U code L3-04

For your safety

This fault is rated critical. No remote repair or do-it-yourself instructions are given; do not use the appliance or try to open or repair it.

Hazard area: mains voltage

If there is a risk to life, first move to a safe place, then call 112. Do not follow remote repair instructions.

Call 112

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Meaning

When using a braking resistor, use setting “0”. Setting “3” is used in very specific applications. 0: Disabled - The Drive decelerates at the active deceleration rate. If the load is too large or the deceleration time is too short, an OV fault may occur. 1: General Purpose - The Drive decelerates at the active deceleration rate, but if the main circuit DC bus voltage reaches the stall prevention level (380/760 Vdc), deceleration will stop. Deceleration will continue once the DC bus level drops below the stall prevention level. 2: Intelligent - The active deceleration rate is ignored and the Drive decelerates as fast as possible w/o hitting OV fault level. Range: C1-02/10. 3: Stall Prevention w/ Braking Resistor

Member details

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Solution

Solution steps are not shared for faults that may be dangerous.

No do-it-yourself solution is given for this fault. For your safety, call an authorised service.