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WARNING
Effectiveness of explosion-proof enclosu
re must be
maintained. Use caution to avoid damaging machin
ed surfaces.
1. Periodically check this device to verify that there are no foreign substances in, or in front of,
the speaker which will reduce its effectiveness.
2. Testing should be periodically performed. Refer to NFPA 72G, local Fire Codes and the
authority having jurisdiction for information.
3. In the event a volume adjustment or other repair is required, be sure to refer to the Safety
Message For Maintenance Personnel before
proceeding.
F. Service.
WARNING
Unauthorized repair/servicing of the unit may result in degradation of
performance and/or property damage, serious injury, or death to you
or others. If a malfunctioning unit is encountered, do not attempt
any field repair/retrofit of parts.
Federal Signal will service your equipment or provide technical assistance with any problems
that cannot be handled locally.
Any units returned to Federal Signal for service, inspection, or repair, must be accompanied by
a Return Material Authorization. This R.M.A. can be obtained from the local Distributor or
Manufacturer’s Representative.
At this time a brief explanation of the service requested or the nature of the malfunction,
should be given.
Address all communications and shipments to:
FEDERAL SIGNAL CORPORATION
Electrical Products Division
Service Department
2645 Federal Signal Drive
University Park, IL 60466-3195
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