Compair L120SR has reset problems

by Joe
(IL)

We have a L120SR showing shutdown fault....the fault is sr motor exceeded speed limits...unit will not let me reset it thru the controls which are the 6100.


This model is from 1993.

Thanks for any help you can give.

Comments for Compair L120SR has reset problems

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Dec 07, 2015
Thank You
by: Bill

Brandon, thank you for your helpful comments,

Dec 06, 2015
LSR resetting
by: Brandon

to reset this you need this service code
as follows :-

HOURS ,VIEW ,VIEW ,HOURS
press this seq when asked for the reset code.

the fault can be related to the motor speed sensor ,gate drive board ,motor bearing
current sensor.

if it runs you could rule out a few of those things. I have has speed issues with these when there has been a rapid stopping required or the air receiver has been closed off.

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