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61

Code 61 (18VS,19VS/V-HP/AC) — Fan Inverter Fault

Carrier · Residential HVAC Systems

What does 61 mean?

This fault for 18VS,19VS/V-HP/AC units indicates an issue with the outdoor fan inverter. The inverter controls the speed and operation of the outdoor fan motor.

Common Causes

  • Faulty outdoor fan inverter board
  • Motor winding fault in the outdoor fan
  • Loose or damaged wiring to the fan motor or inverter
  • Overheating of the inverter

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the power to the outdoor unit at the circuit breaker for at least 30 seconds.

  2. 2

    Ensure the outdoor fan blade is not obstructed and can spin freely.

  3. 3

    Restore power and listen for the fan to attempt to start.

  4. 4

    If the fan inverter fault persists, contact a qualified HVAC technician for diagnosis and repair.

Browse all codes in this manual (51)
Verified technical data. Last updated: April 2026

Related Faults

109Code 109 — Low Indoor Temperature Alert: Zone 7 Allowing Aux Heat110Code 110 — Low Indoor Temperature Alert: Zone 8 Allowing Aux Heat12Code 12 — Furnace Blower on after Power-up
Source: Carrier Residential HVAC Systems
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