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G. Maintenance.
Listed below are some important safety instructions and precautions you should follow:
• Read and understand all instructions before performing any maintenance to this unit.
• Any maintenance to the device MUST be done with power turned off.
• Any maintenance to the device MUST be performed by a trained electrician in accordance with
NEC Guidelines and local codes.
• Never alter the unit in any manner. Safety in hazardous locations may be endangered if
additional openings or alterations are made in units specifically designed for use in these
locations.
• The nameplate, which may contain cautionary or other information of importance to mainte-
nance personnel, should not be obscured if exterior of housings used in hazardous locations are
painted.
Failure to follow all safety precautions and instructions may result in property damage,
serious injury, or death to you or others.
Do not attempt to repair or modify this equipment. There are no user serviceable components
inside. The Federal Signal factory will service your equipment or assist you with technical
problems that cannot be handled satisfactorily and promptly locally.
All maintenance, service, or repairs MUST BE performed by the factory in order to ensure
continued compliance with Part 15 and Part 68 of the FCC rules.
If it becomes necessary to return a unit to Federal Signal for adjustment or repair, it can be
accepted only if authorized in advance. Request for authorization should clearly indicate the
service requested and give all pertinent information regarding the nature of malfunction and, if
possible, its cause.
Communications and shipments should be addressed to:
FEDERAL SIGNAL CORPORATION
Electrical Products Division
Service Department
2645 Federal Signal Drive
University Park, IL 60466-3195
SAFETY MESSAGE TO MAINTENANCE PERSONNEL
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