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False reading
Bad or dirty electrode
Out of calibration
Clean, as needed
Calibrate unit
Will not calibrate
Dirty electrode
Faulty calibration (set to 0)
Faulty electrode
Faulty wiring to electrode
Clean electrode
Replace electrode if needed
Replace wiring if needed
No system power
Check power source
Check fuse
Check connections
Replace as needed
Make sure ribbon cables are secure
Pulse timer not activating
Check wiring
Check external device
Repair as needed
Repair/replace as needed
Relays not energized
Check fuse
Ribbon cable loose
Check for clogged pipes or strainer
Replace as needed
Reseat ribbon cable between relay and
motherboards
Display blank or resetting Ribbon cable loose
Reseat ribbon cable between display and
motherboard at each end
USB not recognized Ribbon cable loose
Reseat ribbon cable between USB board inside
front panel and motherboard
IX. Advantage Controls’ Product Warranty
Advantage Controls warrants control systems of its manufacture to be free of defects in material or
workmanship. Liability under this policy extends for 24 months from date of installation. Liability is limited
to repair or replacement of any failed equipment or part proven defective in material or workmanship
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