•Periodic checks should be made to ensure that effectiveness of this device has not been reduced because speaker has become clogged with a foreign substance or because objects have been placed in front of the speaker.
•Any maintenance on this unit MUST be performed by a licensed electri‑ cian in accordance with NEC guidelines and local codes.
•Never alter these units in any manner. Note, additional openings or alterations made to the 300GCX or 302GCX Models may jeopardize the safety of the hazardous location.
•The nameplates, which contain cautionary or other information of impor‑ tance to maintenance personnel, should not be obscured if the exterior of device is painted.
A.Periodically inspect this device to verify that there are no foreign substances in, or in front of the speaker, which will reduce its notification effectiveness.
B.Periodic evaluation on the performance of the unit should be conduct at regu‑ lar intervals.
C.In the event a volume adjustment or other repair is required, be sure to refer to the Safety Message For Maintenance Personnel before proceeding.
Unauthorized repair/servicing of the unit may result in degradation of per‑ formance and/or safety, resulting in 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.
VI. SERVICE.
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 mal‑ function, should be provided.
Address all communications and shipments to:
Federal Signal Corporation
Electrical Products Division
Service Department
2645 Federal Signal Drive
University Park, IL
