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Siemens 6RA70 Series Instructions Manual Page 95

Microprocessor-based converters from 15a to 1680a for variable speed dc drives.
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Fault
No.
Cause as a function of fault value
(r047.001, r949.001 or r949.009 with acknowledged error)
F012
Telegram failure at GSST2
when P790 = 2:
USS telegram failure at G-SST2
(active from the first receipt of a valid protocol in all operating states)
After the receipt of the first valid protocol, no further telegrams have been received within the time period set in parameter P797.
Possible fault causes
♦ Cable break
♦ Error in USS master
when P790 = 4 or 5 and P798 = 32 or 33:
Peer-to-peer telegram failure at G-SST2
(active in operating states of ≤ o6)
After the receipt of the first valid protocol, no further telegrams have been received within the time period set in parameter P797.
Possible fault causes
♦ Interruption in connecting cable
♦ EMC interference on connecting cable
♦ P797 is set too low
F013
Telegram failure at GSST3
when P800 = 2 and P808 = 32 or 33:
USS telegram failure to G-SST3
(active from the first receipt of a valid protocol in all operating states)
After the receipt of the first valid protocol, no further telegrams have been received within the time period set in parameter P807.
Possible fault causes
♦ Cable break
♦ Error in USS master
when P800 = 4 or 5:
Peer-to-peer telegram failure at G-SST3
(active in operating states of ≤ o6)
After the receipt of the first valid protocol, no further telegrams have been received within the time period set in parameter P807.
Possible fault causes
♦ Interruption in connecting cable
♦ EMC interference on connecting cable
♦ P807 is set too low
F014
Telegram failure at paralleling interface
(active when U800 = 1 or 2 from the first receipt of a valid protocol in all operating states)
After the receipt of the first valid protocol, no further telegrams have been received within the time period set in parameter U807.
Possible fault causes
♦ Interruption in connecting cable
♦ EMC interference on connecting cable
♦ U807 is set too low
9-6
Description
Further information (r047.002 to r047.016)
SIMOREG DC Master Base Drive Panel Operating Instructions
Siemens Energy & Automation

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Latest comments:
  • Rolando Guevarra Jan 02, 2018 12:48:
    Hi, i have trouble in our drive, F019, anyone can help to solve this fault. Thanks in advance
  • vivek Kumar Jul 28, 2015 05:25:
    6ra70 drive 250 kw problem field weakning optimizati​on failed fault f050 fault valu 10 plz help... m
  • vk jadaun Jul 18, 2015 02:16:
    242 kw dc drive but problem optimizati​on fail 25 current and field fault F050 fault valu 3.... ... plz suggest...