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Sinamics F 7439 fault

Created by: Esenbol at: 6/13/2016 9:58 AM (6 Replies)

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6/13/2016 9:58 AM	Rate (0)
Esenbol Posts: 3 Rating: (0)	Hello, I have sinamics v90 training case. i always get fault F 7439 and its meaning not given in manual. Can someone help?
Esenbol Posts: 3 Rating: (0)
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This contribution was helpful to 1 thankful Users DHANU@130389

7/29/2021 1:18 PM	Rate (0)
Adinarayana Regular Member Joined: 9/21/2013 Last visit: 1/8/2025 Posts: 8 Rating: (2)	just you have to update firmware.

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7/22/2022 9:34 AM	Rate (0)
eskymmohan Member Joined: 9/21/2018 Last visit: 1/3/2025 Posts: 2 Rating: (0)	I Updated the firmware but the fault is still there Adinarayana just you have to update firmware.

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7/22/2022 3:18 PM	Rate (0)
0_Einstein Diamond Member Joined: 7/7/2010 Last visit: 1/24/2025 Posts: 15558 Rating: (2468)	If you reset the V90 to factory defaults, is it possible to then clear the fault? I am assuming you have a copy of the project in the V90 before suggesting reset to factory default so you can restore the project once the fault is cleared. Have you submitted a Support Request to Siemens (using the gray-bar's "Support Request" open from the web-based forums SIOS)? If not, I recommend you do so. Once you get it solved, please post back your results. Does power cycling the V90 change anything? Is it possible the communications configuration (like a profinet name) is invalid? Is the trainer on loan from Siemens? If so, contact them for original source project and configuration details to restore it back to normal. eskymmohan I Updated the firmware but the fault is still there Adinarayana just you have to update firmware.
	science guy
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12/22/2023 12:01 PM	Rate (0)
Elektrotek Regular Member Joined: 1/15/2016 Last visit: 12/5/2024 Posts: 3 Rating: (0)	Number: 7439 Name: Drive: Function not supported Cause: The power unit does not support the selected function. Fault value (r0949, interpret decimal): 1: The function "Current controller dynamics higher" (p1810.11 = 1) is selected, however is not supported by the power unit (r0192.27 = 0). - firmware of the booksize power unit is not up-to-date. - blocksize power unit was used. 2: The function "Current controller dynamics higher" (p1810.11 = 1) is selected, however is not supported by the safety technology without encoder (9506 = 1, 3). 3: The function "DC link voltage compensation in the power unit" (p1810.1 = 1) is selected, however is not supported by the power unit (r0192.28 = 0). Remedy: For fault value = 1: - if necessary, upgrade the firmware of the booksize power unit to a later version (version >= 4.4). Note: If the firmware has already been automatically upgraded, then only a POWER ON (switch-off/switch-on) is required. - Use a booksize power unit (version >= 4.4). For fault value = 2: - if an encoder with Safety position actual values sensing is available (r0458[0...2].19 = 1), reparameterize the encoderless safety technology (p9506 = 1, 3) to safety technology with encoder (p9506 = 0). For fault value = 1, 2: - Deselect the function "Current controller dynamics higher" (p1810.11 = 0) and if required, set the current, speed and position controller again or calculate (p0340 = 4). For fault value = 3: - if necessary, upgrade the firmware of the blocksize power unit to a later version (version >= 4.6).

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12/29/2024 10:49 AM	Rate (0)
Minh nguyen Member Joined: 12/27/2018 Last visit: 1/2/2025 Posts: 1 Rating: (0)	I'm too F 7439 Fault, I was restory Default but still F7439. Please Fix help me. How to upgrade the firmware of the blocksize power unit to a later version (version >= 4.6). Attachment 1.PNG (23 Downloads)
	Last edited by: Minh nguyen at: 12/29/2024 10:50:38 Last edited by: Minh nguyen at: 12/29/2024 10:53:04
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1/15/2025 1:24 PM	Rate (0)
AutoGen_8554267 Joined: 1/15/2025 Last visit: 1/15/2025 Posts: 1 Rating: (0)	I'm also facing the same problem and there is no solution or meaning given in the manual. can someone plz describe. how can i sort it out?

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