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MV SZSVS Variable School Zone Sign
Aug 2023
1. Safety Instructions
WARNING: Ensure all safety instructions have been followed prior to servicing.
WARNING: Ensure that no items fall onto the lanes below at any time.
WARNING: Safety helmet and safety belt must be worn to avoid personal injury.
WARNING: The equipment is powered by 230VAC. Power must be shut down during
maintenance
and when not testing.
CAUTION: When the door/cover of the equipment is opened, please ensure it is fixed
before performing next procedure. After finishing maintenance, ensure the door/cover
is locked.
CAUTION: The LEDs on LED Module of the equipment are ESD (Electro-Static
Discharge) sensitive. Take necessary precautions to prevent damage to the LED.
1.1.
Health and Safety
All personnel involved in carrying out the work must be aware of any site working regulations and
required certification.
Before taking any installation or maintenance action, service personal must follow the above safe
working practices:
•
Only allow sufficiently experienced personnel to do maintenance.
•
Provide sufficient illumination for the job, especially during non-daylight hours.
•
Wear personal protective gear when working near or with energized parts.
•
Use insulated tools and equipment when working near or with energized parts.
•
Take measures to avoid inadvertent contact of conductive materials or equipment with
energized parts of VMS
WARNING
– HIGH VOLTAGE
The VMS is a 12 VDC device. Harding Traffic cannot guarantee that high voltages
may not have been introduced as part of the installation e.g. 230VAC : 12VDC Power
Supply.
Service Personal must ensure that the system is suitably isolated before working on
the VMS
