PHOTOCONTROLLER DIAGNOSTIC SYSTEM

摘要

A photocontroller diagnostic system including a photocontroller with a sens or for determining the presence of daylight, and a relay, responsive to the sensor, for de- energizing a lamp during periods of daylight. The diagnostic subsystem is responsive to the photocontroller, and includes a microprocessor programmed to verify t he operability of the relay and/or the sensor and programmed to transmit a sign al representative of the operability of the relay or the sensor.