
50
XVII. TROUBLESHOOTING CHART
Symptom Possible Cause Corrective Action
display
pH
pH
pH 7
pH
FAC
Conductivity/TDS/
MIN/SALT
Conductivity/TDS/
MIN/SALT
.
Alkalinity or Hardness
1. Method error.
measured.
ORP
ORP
-
FC
E
ORP
concentration.
DO NOT
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