
Page | 8 MV SZSVS Variable School Zone Sign Aug 2023
Cleaning Schedule: Establish a routine cleaning schedule based on the local conditions and usage.
While the standard recommendation is maintenance every six months, consider more frequent cleaning
if the environment is particularly harsh.
Cabinet Maintenance:
a. Employ a pressure cleaner to clean the rear of the cabinet, removing accumulated dirt and grime.
b. Regularly check the cabinet's interior by opening the door. Evaluate the operational status and
address any anomalies promptly.
Record Keeping: Maintain a record of maintenance activities, including dates, procedures performed,
and observations made. This documentation can help track the product's health and guide future
maintenance decisions.
Professional Inspection: Periodically, consider engaging professional technicians to conduct a
thorough inspection of the SZSVS. Their expertise can identify potential issues that might not be
apparent during routine maintenance.
Check if there are marks, scratches, dirt or cracks
on the front windows
Use a suitable cleaning solution to remove
them
Observe if the SZSVS is receiving correct
messages from the management system
If not, report fault to Harding Traffic Ltd
Check if the door locks are secured tightly or any
parts are broken
If not, insert the required key in the lock and turn
clockwise to tighten or change the parts.
Check if all the cable glands are secured tightly.
If loose, push in the gland and ensure they are
secured connected.
3.3. Cabinet Maintenance
Because of its ability to withstand extremely harsh environments, the SZSVS requires minimal
maintenance. However, regular maintenance can help prolong the product's lifespan and ensure
optimal display performance.
The suggested maintenance interval is every six months, although this duration can be adapted based
on the local conditions..
Maintenance tool:
•Gentle non-woven fabric or a soft brush
•Neutral cleaning solution (non abrasive)
Basic maintenance equipment
Recommended Maintenance Procedure
1) Moisten a cloth with the cleaning solution, then use it to gently wipe away dust from the
display surface. Rinse the surface with water afterwards. (For a thorough clean, a pressure
cleaner can be employed, utilizing commonly accepted techniques similar to washing cars.
2) The back of the cabinet can also be cleaned using a pressure cleaner.
Following the VMS wash, open the door to inspect and assess the operational status within the
cabinet.