This feature allows you to quickly diagnose wiring problems with your controller.
1
Press the 
, 
, 
, 
buttons simultaneously. In the standby mode, the LCD will display all segments.
2
Press the button once to begin the Quick Check procedure. Within seconds the system searches all stations, detecting any circuit problems. When a field wiring short is detected, an ERR symbol preceded by the station number will flash momentarily on the display.
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