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Troubleshooting > Trouble Diagnosis
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$OES$)3#
.!6)'!4)/.OR
34/0#!.#%,
BUTTONFUNCTION
/PERATIONBUTTONSON,CASEDONOTFUNCTION
4,-%.5
6
-%.5BUTTONFAULTY
2EPLACETHE,CASE
7HEN-%.5BUTTONISPRESSED
2EPLACETHE-!.
CIRCUITBOARD
$OES-%.5BUTTON
FUNCTION
4,3%,%#4
6
3%,%#4BUTTONFAULTY
2EPLACETHE,CASE
7HEN3%,%#4BUTTONISPRESSED
$OES3%,%#4
BUTTONFUNCTION
4,+%9 $OES
THEVOLTAGEVARY
"UTTONFAULTY
2EPLACETHE,CASE
3ETTOSERVICEPOSITION"
4,+%9 $OES
THEVOLTAGEVARY
2EMOVETHE,BLOCK
2EPLACETHE-!.
CIRCUITBOARD
2EPLACETHE-!.
CIRCUITBOARD
2EPLACETHE-!.
CIRCUITBOARD
"UTTONFAULTY
2EPLACETHE,CASE
7HENTHEDONOTFUNCTIONBUTTONISPRESSED
4,
-!."
4,
-!."
4,
-!."
4,
-!."
,ISTOFCHECKPOINTS
3YMPTOM
#IRCUITBOARD
SIDE
,OCATIONON
CIRCUITBOARD
,EADWIRE
SOLDERED
ORNOT
%
.EEDNOT
%
.EEDNOT
%
%
.EEDNOT
.EEDNOT