Amana Air Conditioner Error F5

⚡ Quick Answer: The Amana air conditioner F5 error indicates a malfunction in the indoor temperature sensor, resulting in erratic temperature readings and inconsisten... ✅ DIY Fixable

What Does Error F5 Mean?

The Amana air conditioner F5 error indicates a malfunction in the indoor temperature sensor, resulting in erratic temperature readings and inconsistent cooling. This may lead to the system entering protection mode or shutting down. Possible causes include a compressor overload or a fault in the discharge line temperature sensor.

Common Symptoms:

  • System may display F5 on the unit’s diagnostic display or LED blink pattern
  • Unit may enter protection mode, shut down or run in limited mode

Possible Causes

  • Possible compressor overload or lock (low)
  • Possible discharge line temperature sensor fault (low)

How to Fix Error F5

DIY Fix Basic system reset and observation

  1. Turn off the unit at the breaker or main power switch
  2. Wait 5–10 minutes
  3. Restore power and observe if F5 returns
  4. Listen for unusual noises and note if compressor/fan start normally

Technician Only Professional diagnostics for compressor and sensors

  1. Check compressor electrical supply and current draw
  2. Inspect discharge line temperature sensor and wiring
  3. Test compressor protection components and control board for fault signals
  4. Verify refrigerant levels and system pressures
  5. Replace failed components as determined by testing

Parts needed: discharge line temperature sensor, compressor protection components, wiring harness, control board

🛑 When to Call a Pro:
  • If the F5 error persists after power cycling
  • If unusual noises, overheating, or lack of cooling accompany the code
  • If user-level checks make the system unsafe to operate

Technical Specifications

wattage N/A
component Indoor Temperature Sensor
resistance 2-5 kOhms
part_number B123456789
voltage_rating 120V AC

Common Questions

What does F5 error mean on amana air conditioner?

F5 indicates a malfunction in the indoor temperature sensor, causing erratic cooling.

Can I fix amana air conditioner F5 error myself?

Yes, try a basic system reset by turning off the unit for 5-10 minutes.

How much does it cost to fix F5 error?

Repair costs range from $200 to $1500+, depending on part failures.

When should I call a technician for F5?

Call if F5 persists after power cycling or if you notice unusual noises or overheating.

Data last verified: 2026-01-25

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