Re: RD53s won't stay spun-up

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Article #4322

#4322

From: Bill Pechter
Date: Wed, 06 Jan 1993 12:54

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In article <1993Jan5.042039.1070@cmkrnl.com> jeh@cmkrnl.com writes:
>
>> The current theory is this: these Micropolis 1325's and 1335's apparently
>> have quite sophisticated current sensing circuits to monitor the motor
>> load and such.  With time, the motor windings degrade and the current
>> load exceeds the tolerance of the limiting circuit.  The spin-up spin-down
>> behavior is the drive saying I am not working correctly.
>> 



boy I've got the same problem on my PC's 1325.  Anyone know a cheap repair 
place for these drives.

Or else, anyone have prints or a need for a doorstop.

Bill

-- 
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        Bill Pechter, N2RDI           | The postmaster always pings twice.
        Concurrent Computer Corp.     | pechter@ocpt.ccur.com
        2 Crescent Place, Oceanport, NJ 07757 - Tel:908-870-4780

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Path: arc1-ca.pugleaf.net!sparky!uunet!peora!usenet.ccur.com!catfish!tsdiag!ocpt!pechter

References: <1993Jan2.160631.1058@cmkrnl.com> <C0AGzD.GtH@watdragon.uwaterloo.ca> <1993Jan5.042039.1070@cmkrnl.com>

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Path: arc1-ca.pugleaf.net!sparky!uunet!peora!usenet.ccur.com!catfish!tsdiag!ocpt!pechter
From: pechter@ocpt.ccur.com (Bill Pechter)
Newsgroups: comp.sys.dec
Subject: Re: RD53s won't stay spun-up
Message-ID: <1811@ocpt.ccur.com>
Date: 6 Jan 93 12:54:35 GMT
References: <1993Jan2.160631.1058@cmkrnl.com> <C0AGzD.GtH@watdragon.uwaterloo.ca> <1993Jan5.042039.1070@cmkrnl.com>
Organization: Concurrent Computer Corp.,Information Services
Lines: 23

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