🚿Water Heater

E06

A.O. Smith · AHPTU-80 Voltex Hybrid 80 Gal 4500W Hybrid Heat Pump Water Heater with WiFi Connectivity

A.O. Smith AHPTU-80 Voltex Hybrid 80 Gal 4500W Hybrid Heat Pump Water Heater with WiFi Connectivity E06 Error Fix: Condenser Fan Motor Failure

The condenser fan motor is not operating or is running at incorrect speed. The fan is essential for moving air across the evaporator coils in heat pump mode. Without the fan, the heat pump cannot extract heat from ambient air. Check for obstructions blocking the fan blades. Verify the fan motor wire connections. Test the fan motor by applying power directly — if it does not spin, replace the fan motor assembly.

High severity2 fixes available✨ Free fix available

Quick Answer

Error E06 on the A.O. Smith AHPTU-80 Voltex Hybrid 80 Gal 4500W Hybrid Heat Pump Water Heater with WiFi Connectivity means: Condenser Fan Motor Failure. The top-ranked community fix is “Test and Replace the Condenser Fan Motor Assembly” (medium difficulty, ~60 min, DIY cost: $15-$25). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · water heater

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 water heater repairs can be done safely at home, consider hiring a qualified technician if:

This is a high severity error — continued use may cause damage or a safety hazard
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-$250.

Other A.O. Smith Models with Error E06

HPTU-50N HE Hybrid 50 Gal 4500W High Efficiency Hybrid Heat Pump Water Heater

water_heater · 2 fixes

Other A.O. Smith AHPTU-80 Voltex Hybrid 80 Gal 4500W Hybrid Heat Pump Water Heater with WiFi Connectivity Error Codes

E01

Upper Tank Sensor Failure

2 fixes

E02

Lower Tank Sensor Failure

Dry Fire / ECO Trip

Compressor Discharge Over-Temperature

2 fixes

E05

Evaporator Coil Sensor Failure

Compressor Failure

High Pressure Switch Activated

2 fixes

E09

Low Ambient Temperature

2 fixes

People Also Ask About A.O. Smith AHPTU-80 Voltex Hybrid 80 Gal 4500W Hybrid Heat Pump Water Heater with WiFi Connectivity Error E06

What does error code E06 mean on a A.O. Smith AHPTU-80 Voltex Hybrid 80 Gal 4500W Hybrid Heat Pump Water Heater with WiFi Connectivity?

Error code E06 on the A.O. Smith AHPTU-80 Voltex Hybrid 80 Gal 4500W Hybrid Heat Pump Water Heater with WiFi Connectivity means: Condenser Fan Motor Failure. The condenser fan motor is not operating or is running at incorrect speed. The fan is essential for moving air across the evaporator coils in heat pump mode. Without the fan, the heat pump cannot extract heat from ambient air. Check for obstructions blocking the fan blades. Verify the fan motor wire connections. Test the fan motor by applying power directly — if it does not spin, replace the fan motor assembly.

How do I fix error code E06 on my A.O. Smith AHPTU-80 Voltex Hybrid 80 Gal 4500W Hybrid Heat Pump Water Heater with WiFi Connectivity?

The most successful fix is "Test and Replace the Condenser Fan Motor Assembly" (medium difficulty, ~60 minutes). Estimated DIY cost: $15-$25. HomeMD has 2 community-ranked fixes for this error.

Is error code E06 on a A.O. Smith AHPTU-80 Voltex Hybrid 80 Gal 4500W Hybrid Heat Pump Water Heater with WiFi Connectivity serious?

This error is rated high severity. You should address it promptly — continued use could cause damage or safety concerns.

Can I fix A.O. Smith AHPTU-80 Voltex Hybrid 80 Gal 4500W Hybrid Heat Pump Water Heater with WiFi Connectivity error E06 myself?

Yes — the top-ranked community fix ("Test and Replace the Condenser Fan Motor Assembly") is rated medium difficulty and takes about 60 minutes. Tools needed: T20 Torx screwdriver, Multimeter, Voltage tester, Needle-nose pliers.

How much does it cost to repair A.O. Smith AHPTU-80 Voltex Hybrid 80 Gal 4500W Hybrid Heat Pump Water Heater with WiFi Connectivity error E06?

DIY cost: $15-$25. Professional repair typically costs $150-$250. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the A.O. Smith AHPTU-80 Voltex Hybrid 80 Gal 4500W Hybrid Heat Pump Water Heater with WiFi Connectivity have?

The A.O. Smith AHPTU-80 Voltex Hybrid 80 Gal 4500W Hybrid Heat Pump Water Heater with WiFi Connectivity has 8 other known error codes, including: E01 (Upper Tank Sensor Failure), E02 (Lower Tank Sensor Failure), E03 (Dry Fire / ECO Trip), E04 (Compressor Discharge Over-Temperature), E05 (Evaporator Coil Sensor Failure), and 3 more.

Which other A.O. Smith models have the E06 error?

Error code E06 also appears on 1 other A.O. Smith model: HPTU-50N HE Hybrid 50 Gal 4500W High Efficiency Hybrid Heat Pump Water Heater. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the A.O. Smith AHPTU-80 Voltex Hybrid 80 Gal 4500W Hybrid Heat Pump Water Heater with WiFi Connectivity have?

The A.O. Smith AHPTU-80 Voltex Hybrid 80 Gal 4500W Hybrid Heat Pump Water Heater with WiFi Connectivity has 8 other known error codes:

E01 — Upper Tank Sensor Failure (2 fixes)
E02 — Lower Tank Sensor Failure (2 fixes)
E03 — Dry Fire / ECO Trip (2 fixes)
E04 — Compressor Discharge Over-Temperature (2 fixes)
E05 — Evaporator Coil Sensor Failure (2 fixes)
E07 — Compressor Failure (2 fixes)
E08 — High Pressure Switch Activated (2 fixes)
E09 — Low Ambient Temperature (2 fixes)

Which other A.O. Smith models have the E06 error?

Error code E06 also appears on 1 other A.O. Smith model:

HPTU-50N HE Hybrid 50 Gal 4500W High Efficiency Hybrid Heat Pump Water Heater (water heater) · 2 fixes

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