ORP HIGH
Pentair · Pentair IntelliChem Chemical Controller
The ORP reading is above the target setpoint. High ORP indicates excessive sanitizer in the water. The IntelliChem will reduce chlorine output. Very high ORP (above 800+ mV) may indicate recently shocked water or sensor drift. Verify chlorine levels manually. If consistently high, recalibrate the ORP probe.
Error ORP HIGH on the Pentair Pentair IntelliChem Chemical Controller means: ORP Above Target. The top-ranked community fix is “Recalibrate or Replace ORP Probe” (medium difficulty, ~45 min, DIY cost: $10-$20). 2 community-ranked fixes available below.
Published February 2026 · 2 fixes · pool controller
Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.
While many pool controller repairs can be done safely at home, consider hiring a qualified technician if:
Average professional repair cost for this issue: $120-$180.
Acid Feed Pump Fault
Chlorine Feed Fault
Automation Communication Error
No Water Flow Through Sensor Chamber
ORP Below Target
ORP Probe Fault
pH Above Target Range
pH Below Target Range
The Pentair Pentair IntelliChem Chemical Controller has 8 other known error codes:
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