MAINTENANCE AND SERVICE
The enclosure and grille may be cleaned using a soft cloth to remove fingerprints or to wipe off dust.
All wiring connections should be inspected and cleaned or remade periodically. The frequency of maintenance depends on the metals involved in the connections, atmospheric conditions, and other factors, but once per year is the minimum.
If a problem occurs, make sure that all connections are properly made and are clean. In the event that your
