Linn LK85 - Fuse blowing; Fuse blowing due to wrong type; Fuse blowing due to mains surges

2
nd
June 1999
Page5 Copyright © 1999 Linn Products Limited. All rights reserved.
Contents
Doesn’t power up
or
Powers up
(power LED may
be lit) but no
function.
Intermittent -
tapping or bumping
the unit makes fault
come & go
Bad connection either inside
or outside the unit.
Find and eradicate bad
connection. It may be something
as simple as a connector not
pushed fully home and may be
easily visible. If fault is
intermittent, see Introduction to
Fault Finding section (paragraph
on intermittent faults - accessible
via Linfo Website - Product
Information). If fault is not
intermittent, it may be possible to
trace the fault – again see
Introduction to Fault Finding –
Substitution & Isolation
Unit dies
intermittently
At any time Mains voltage dropping too
low for unit to function
correctly (known as ‘Brown
outs’ as these voltage drops
also sometimes cause the
lights to dim.)
Consult an electrician or your
power company.
Unit does not
power up or
powers up & then
dies
May die
intermittently or
briefly and then
come back on
again.
May be intermittent Mains inlet faulty Replace mains inlet – Linn part
no: CONN 385
Unit does not
power up or
powers up & then
dies
May die
intermittently or
briefly and then
come back on
again.
May be intermittent Transformer faulty Replace transformer – Linn part
nos:
LK85
230V - MCAS 030/230
115V - MCAS 030/115
100V - MCAS 030/100
LK140
230V - MCAS 033/230
115V - MCAS 033/115
100V - MCAS 033/100
Fuse blowing
Symptom Circumstances Possible Cause(s) Cure
Fuse blowing May be intermittent Wrong type of fuse fitted Replace fuse(s) with correct
value & type.
Fuse in mains lead should be 5A.
Fuse in the mains inlet of the amp
should be “Slow Blow” – look for
a ‘T’ before the rating on the fuse.
Correct types are:
100 - 115V - 6.3A
220 - 240V - 3.15A
Fuse blowing May be intermittent Mains surges Consult an electrician or your
power company.