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MM440 fault F0004

9/4/2011 5:10 PM	Rate (0)
vu khac Posts: 8 Rating: (0)	MM440 is fault F0004. can't access paramater by all online or offline.no display all parameter.have you know it, please help me!
vu khac Posts: 8 Rating: (0)	Last edited by: vu khac at: 9/4/2011 5:40 PM Last edited by: vu khac at: 9/4/2011 5:34 PM
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9/5/2011 11:49 AM	Rate (0)
JensS Posts: 739 Rating: (55)	pls. wait till inverter is cooled down! F0004 Inverter Over Temperature Cause - Ventilation inadequate - Ambient temperature is too high. - Actual drive converter temperature r0037 exceeds the overtemperature threshold (refer to P0292) Diagnosis & Remedy Check the following: - Fan must turn when inverter is running - Pulse frequency must be set to default value - Ambient temperature could be higher than specified for the inverter - Reduce the load and / or ensure adequate cooling Additional meaning for frame sizes FX and GX: - P949 = 1: Rectifier overtemperature - P949 = 2: Ambient overtemperature - P949 = 3: EBOX overtemperature
JensS Posts: 739 Rating: (55)
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This contribution was helpful to 1 thankful Users sohelzaman32

9/25/2011 10:33 AM	Rate (0)
Arijit Posts: 28 Rating: (0)	Dear, I got the same problem in a indurty. Plz make sure there is no dust in the inverter.specially in the fan side.If yes then fully clean it.otherwise the same problem wl arise again. arijit
Arijit Posts: 28 Rating: (0)
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9/26/2011 8:50 AM	Rate (0)
Marcjan Platinum Member Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	Hello, I had some MM440/420 with fans that were bearly running, cleaning might help, better to replace them, the fans are easy to replace. Sparepart number: http://support.automation.siemens.com/WW/view/en/44210271 Regards, Marcjan
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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This contribution was helpful to 1 thankful Users yusif