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FISHER&PAYKEL MR850JHU PROBLEM
#56807 10/06/11 11:05 AM
Joined: Apr 2010
Posts: 20
taiwan
julio Offline OP
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julio
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taiwan
I got FISHER&PAYKEL MR850JHU problem,that error code showed E28 and E12.Who can tell me which board is bad?
Re: FISHER&PAYKEL MR850JHU PROBLEM
julio #56810 10/06/11 2:41 PM
Joined: Aug 2007
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Newcastle upon Tyne, United ki...
rani Offline
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rani
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E28-mains voltage measurement is uncalibrated; E12- temp. circuit calibration out of range. Check your service manual and go to service menu and try to calibrate first the humidifier and check your power PCB B/D, maybe just need recalibrations.
Re: FISHER&PAYKEL MR850JHU PROBLEM
julio #56849 14/06/11 12:47 PM
Joined: Apr 2010
Posts: 20
taiwan
julio Offline OP
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julio
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taiwan
Micro-controller failure could be it?How to do the calibration?

Re: FISHER&PAYKEL MR850JHU PROBLEM
julio #56860 15/06/11 12:56 PM
Joined: Aug 2007
Posts: 11
Newcastle upon Tyne, United ki...
rani Offline
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rani
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You must have a service manual and follow the instructions for voltage calibration check.

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