Troubleshooting
i3070 Series 5i Help 6-11
Troubleshooting PHS-1 to PHS-7
These are the Zone 1 and Zone 2 sensors triggered by the board.
See Figure 6- 5 for the location of the sensors; also see Figure 6- 7 and
Figure 6- 8.
Check the sensor response
• Use a board to trigger the sensor and see whether it responds (see
Figure 6- 2).
Figure 6-2 Board Sensor
If the sensor doesn’t respond
Check the sensor response after each step and continue only if the sensor
fails to respond.
1 Adjust the sensor sensitivity by turning the control clockwise or
anti- clockwise.
2 Check the connectors and ensure there is power to the sensor.
3 Replace the sensor.
PHS-1 Zone 1 Inlet Sensor
PHS-2 Zone 1 Stopper Sensor
PHS-3 Zone 1 Exit Sensor
PHS-4 Zone 2 Inlet Sensor
PHS-5 Zone 2 Stopper Slow Sensor
PHS-6 Zone 2 Stopper Sensor
PHS-7 Zone 2 Exit Sensor
Turn clockwise or counterclockwise
to adjust sensitivity
Green – Powered
Green and Amber – Sensor is triggered
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