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MM420 r0947=3 and r0949=2

3/24/2011 11:48 AM	Rate (0)
Coburger Posts: 3 Rating: (0)	Hello, I have a MM420 with F003 (r0947=3), what means Undervoltage (I read the manual). The Parameter r0949=2, but I can´t find anything about the meaning ofthe 2under F003 in the manual. Thanks for your help
Coburger Posts: 3 Rating: (0)
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3/24/2011 3:00 PM	Rate (0)
Heksu Posts: 180 Rating: (12)	Hi Coburger, Let´s search from forum. /tf/WW/en/Posts/44197 regards Heksu
Heksu Posts: 180 Rating: (12)
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3/24/2011 3:26 PM	Rate (0)
Coburger Posts: 3 Rating: (0)	Thanks for your answer, but my question is what the r0949=2 in conjunction with the r0947=3 means. For example, when you look at F0041 in the manual you can locate the failure with the index of r0949. WhenI look to the manual at F003 there is no description of the differentmeanings of r0949... Greetings
Coburger Posts: 3 Rating: (0)
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3/24/2011 3:52 PM	Rate (0)
Heksu Posts: 180 Rating: (12)	Hi Coburger, I think it´s like fault history. Look pages 44-45. F0003 Undervoltage Check the following: 1. Supply voltage (P0210) must lie within limits indicated on rating plate 2. Supply must not be susceptible to temporary failures or voltage reductions And the F0041 Stator resistance measurement failure. 1. Check if the motor is connected to the inverter 2. Check that the motor data has been entered correctly Heksu Attachment f123.pdf (347 Downloads)
Heksu Posts: 180 Rating: (12)	Last edited by: Heksu at: 3/24/2011 3:58 PM
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