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Thread: Daikin EWAQ480F Chiller
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14-10-2018, 05:22 PM #1
Daikin EWAQ480F Chiller
Can any one help me with this chiller, its the first time ive worked on a daikin chiller.
i had the call for the chiller not working at all, when i arrived the controller had 2 alarms which was +C2 OFFMTRPROTECT and +C1 OFFMTRPROTECT
After further investigation i found that one of the 80amp fuses had blown on circuit 1, i removed the fuse and took the compressor offline so circuit 1 is currently running on 2 compressors.
After about 1/2hour of running i get the +C2 OFFMTRPROTECT alarm again and it shuts circuit 2 down, i have looked online and im not able to find what the fault code is or means.
The controller is also asking for a password which we dont have (just taken site over) without calling daikin applied out to investigate is there anyone on here that has experience or knowledge of these chillers?
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15-10-2018, 08:33 AM #2
Re: Daikin EWAQ480F Chiller
I would try 1234 for the password
As for the alarm don't know can't see it in the iom possibly compressor or fan trip.
Gibbo
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16-10-2018, 06:45 AM #3
Re: Daikin EWAQ480F Chiller
Hi,
This document has done the rounds, I’m thinking it was originally compiled by one of the members here
http://www.frigoristes.fr/getfile.ph...20de%20GEG.pdf
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16-10-2018, 08:59 PM #4
Re: Daikin EWAQ480F Chiller
Try 5321 if it's microtec 3 Siemens controller, I think the motor protection module has shut it down, the compressor motor might be getting hot or some other safety is linked with the protection module
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20-10-2018, 11:28 AM #5
Re: Daikin EWAQ480F Chiller
6363: Service password
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02-11-2018, 10:42 PM #6
Re: Daikin EWAQ480F Chiller
Thanks for the advice, sadly i didnt get chance to go back to site to try this out but they have got the issue sorted.
It was a faulty thermistor on circuit 2 compressor, thanks again for everyones help and advice.
RikLast edited by TrickyRikki; 02-11-2018 at 10:46 PM.
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03-11-2018, 02:17 PM #7
Re: Daikin EWAQ480F Chiller
Thanks for the update.
Brian - Newton Abbot, Devon, UK
Retired March 2015