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Contact your local agency for warranty service request. The factory can and
will service your equipment or assist you with technical problems, should any
arise, and that cannot be handled satisfactorily and promptly locally. Suggest
any communication should be tried and conducted locally with agents before
further attempts to the factory. If any unit is returned for adjustment or repair,
it can be accepted only if letter or phone in advance of its arrival notified us.
Such notice should clearly indicate the service requested and give all pertinent
information regarding the nature of malfunction and, if possible, its cause.
REPLACEMENT OF OUTPUT TRANSISTORS
Failure of one or both of the output transistors is usually the result of a
defective speaker (short circuited voice coil). The factory recommends that
both output transistors be replaced should only one device prove to be
defective. Insure that the Sil-Pad insulators are installed between the heat sink
and transistors when installing new output transistors.
Make certain that the speaker(s) is (are) not defective before reinstalling the
repaired EH-100. After servicing is complete, perform a test of all functions to
ensure siren is operating properly. Whenever the siren is tested, be aware of
sound hazard. See the warning section above in the manual.
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