🏊Pool Pump

FLOW

Jandy · VS FloPro 1.85 THP Variable Speed Pool Pump

Jandy VS FloPro 1.85 THP Variable Speed Pool Pump FLOW Error Fix: No Flow Detected

The pump is not detecting water flow through the system — check for blockages in the skimmer, pump basket, and filter; check that all suction and return valves are open; verify the pool water level is at mid-skimmer or above; a clogged impeller can spin without moving water; loss of prime also shows as no flow; check the pump lid O-ring for proper seal

Medium severity2 fixes available✨ Free fix available

Quick Answer

Error FLOW on the Jandy VS FloPro 1.85 THP Variable Speed Pool Pump means: No Flow Detected. The top-ranked community fix is “Inspect and Replace Pump Impeller to Restore Flow” (medium difficulty, ~60 min, DIY cost: $0-$15). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · pool pump

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.

When to Call a Professional

While many pool pump repairs can be done safely at home, consider hiring a qualified technician if:

The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $150-$220.

Other Jandy Models with Error FLOW

ePump 2.7 THP Variable Speed Pool Pump with Digital Control

pool_pump · 2 fixes

Other Jandy VS FloPro 1.85 THP Variable Speed Pool Pump Error Codes

Communication Error — RS-485 Link Lost

Internal Drive Fault

Mechanical Seal Leak

Motor Bearing Noise

Impeller Clog or Debris

2 fixes

MECH-04

Suction-Side Air Leak

2 fixes

MECH-05

Drive Board Condensation or Water Damage

2 fixes

MECH-06

Pump Lid O-Ring Deterioration

2 fixes

People Also Ask About Jandy VS FloPro 1.85 THP Variable Speed Pool Pump Error FLOW

What does error code FLOW mean on a Jandy VS FloPro 1.85 THP Variable Speed Pool Pump?

Error code FLOW on the Jandy VS FloPro 1.85 THP Variable Speed Pool Pump means: No Flow Detected. The pump is not detecting water flow through the system — check for blockages in the skimmer, pump basket, and filter; check that all suction and return valves are open; verify the pool water level is at mid-skimmer or above; a clogged impeller can spin without moving water; loss of prime also shows as no flow; check the pump lid O-ring for proper seal

How do I fix error code FLOW on my Jandy VS FloPro 1.85 THP Variable Speed Pool Pump?

The most successful fix is "Inspect and Replace Pump Impeller to Restore Flow" (medium difficulty, ~60 minutes). Estimated DIY cost: $0-$15. HomeMD has 2 community-ranked fixes for this error.

Is error code FLOW on a Jandy VS FloPro 1.85 THP Variable Speed Pool Pump serious?

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Can I fix Jandy VS FloPro 1.85 THP Variable Speed Pool Pump error FLOW myself?

Yes — the top-ranked community fix ("Inspect and Replace Pump Impeller to Restore Flow") is rated medium difficulty and takes about 60 minutes. Tools needed: T25 Torx screwdriver, Phillips screwdriver.

How much does it cost to repair Jandy VS FloPro 1.85 THP Variable Speed Pool Pump error FLOW?

DIY cost: $0-$15. Professional repair typically costs $150-$220. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the Jandy VS FloPro 1.85 THP Variable Speed Pool Pump have?

The Jandy VS FloPro 1.85 THP Variable Speed Pool Pump has 8 other known error codes, including: CE (Communication Error — RS-485 Link Lost), E1 (Internal Drive Fault), MECH-01 (Mechanical Seal Leak), MECH-02 (Motor Bearing Noise), MECH-03 (Impeller Clog or Debris), and 3 more.

Which other Jandy models have the FLOW error?

Error code FLOW also appears on 1 other Jandy model: ePump 2.7 THP Variable Speed Pool Pump with Digital Control. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the Jandy VS FloPro 1.85 THP Variable Speed Pool Pump have?

The Jandy VS FloPro 1.85 THP Variable Speed Pool Pump has 8 other known error codes:

CE — Communication Error — RS-485 Link Lost (2 fixes)
E1 — Internal Drive Fault (2 fixes)
MECH-01 — Mechanical Seal Leak (2 fixes)
MECH-02 — Motor Bearing Noise (2 fixes)
MECH-03 — Impeller Clog or Debris (2 fixes)
MECH-04 — Suction-Side Air Leak (2 fixes)
MECH-05 — Drive Board Condensation or Water Damage (2 fixes)
MECH-06 — Pump Lid O-Ring Deterioration (2 fixes)

Which other Jandy models have the FLOW error?

Error code FLOW also appears on 1 other Jandy model:

ePump 2.7 THP Variable Speed Pool Pump with Digital Control (pool pump) · 2 fixes

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