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Thread: ua daikin fault
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10-02-2009, 09:08 PM #1
ua daikin fault
hi chaps, i have a problem with a twin daikin system, one of my collages has replaced an outdoor pcb on a ry71gz7w1 3ph r407 outdoor now the system has faulted up a ua code (too many fan coils) i have set it up for a twin system with the controller setting 11, 0.02 i dont have any info on the outdoor board but have been told all the bit switches were set the same as the old one. any idears? tyred to ring daikin at 4.45pm uk time but got no answer
sorry the indoor units are fhyc35kzv1 x2
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10-02-2009, 11:08 PM #2
Re: ua daikin fault
Try the SKy Air manual from the Daikin site.
You need file ESIE99-01 Series GBrian - Newton Abbot, Devon, UK
Retired March 2015
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11-02-2009, 12:04 AM #3
Re: ua daikin fault
thanks brian
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11-02-2009, 09:22 AM #4
Re: ua daikin fault
Is happened before to receive an spare part PCB that has an software for another type of refrigerant. In that case you will have the same error UA. For Sky unit, from the outdoor dip-switches you don`t have the possibility to set the type of refrigerant (like for VRV outdoor PCB).
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11-02-2009, 05:09 PM #5
Re: ua daikin fault
been back today setup code 11 and 21 on the controller to twin setting, disconnected a condensate pump from indoor connections 1 and 3 (l and n) on marster, system running ok reconnected pump still ok, i just dont know? as far as i can tell the outdoor pcb is pre set for 407 and the only bit switches are for the defrost and emergency run but i stand to be corrected, thanks for help people
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15-02-2009, 10:41 PM #6
Re: ua daikin fault
the reason this is happening is because you may have a link between the two fan coils on p1 and p2 and this must be removed as there should only be the p1 and p2 connected on the master unit
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