ASLD2200 - Instruction Manual
11.3 Symptom: Motor does not respond to changes in the sludge blanket level; sensor working
correctly.
Fault: Printed circuit board assembly fault.
Remove the printed circuit board assembly as described in section10.3 above, and return to Partech for investigation.
Pack the board carefully protecting the selector switch
11.4 Symptom: Excessive play on cable drum
Fault: Loose grub screws securing cable drum shaft
Tighten grub screws.
11.5 Sensor operation check
• Using the selector switch manually drive the sensor up or down till the display reads 80%
• Remove the sensor from the water and check the sensor operation as follows:
• Block the light path between the sensor gap and the Hi LED should light up
• Unblock the light path between sensor gap and the LO LED should light up
If this is not successful check continuity of sensor wiring between the orange terminal connector 11 &12 ( Sensor &
12v DC) and the spade connectors inside the drum.
• Red sensor wire with spade connector routes to brown wire on J9 (12V DC).
• Black wire with spade connector routes through to blue wire on J9 (Sensor)
Page 24 of 30 103370IM Issue 10 Date 19/03/2018
To Next Page
Loading...