THIS PRODUCT HAS BEEN DISCONTINUED AND REPLACED BY THE PEARL CONTROL SYSTEM.
Check sensor connection wires on the controller make sure there snug & tight.
as well as check Sensor Mapping to make sure its mapped correctly.
1st Make sure the Sensor Self Test is DISABLED.
from home screen hit Enter/menu->SystemSetup->AdvanceSettings->
hit next till you highlight Self Test and make sure its DISABLED, if its ENABLED just hit + to Disable it.
Try Landing the shielding on the GND with the Black wire and see if the sensor reading recovers.
You Also want to meter the V+ and the VOut. Removing the wires from these locations and the Ground and simply meter the locations.
The Voltage should be between 3 & 3.5 Volts
Try toggling off switches to equip, one at a time and see if sensors stabilize.
Try detaching sensor from its current location and put it right next to controller, see if the readings recover.