Amana Air Conditioner Error EH

⚡ Quick Answer: The Amana Air Conditioner EH error indicates that the unit has entered Emergency Hydronic mode due to the engagement of the Emergency Hydronic (EHH) s... ✅ DIY Fixable

What Does Error EH Mean?

The Amana Air Conditioner EH error indicates that the unit has entered Emergency Hydronic mode due to the engagement of the Emergency Hydronic (EHH) switch, which disables the compressor. Symptoms include the compressor not running in cooling mode, the display showing the EH code, and an inability to respond to cooling requests until the switch condition is cleared.

Common Symptoms:

  • Compressor not running when it should operate in cooling mode
  • Display shows EH or similar alphanumeric code
  • Unit does not respond to normal cooling calls until Emergency Hydronic switch condition is cleared

Possible Causes

  • Emergency Hydronic (EHH) switch engaged (medium)

How to Fix Error EH

DIY Fix Check and Open Emergency Hydronic Switch

  1. Turn off power to the air conditioner unit at the breaker for safety.
  2. Locate the Emergency Hydronic (EHH) switch on the unit or associated control panel.
  3. If the switch is in the closed/engaged position, open it to allow normal operation.
  4. Restore power and test whether the unit returns to normal cooling mode.

Technician Only Inspect Hydronic Control and Safety Interlocks

  1. Verify correct wiring and functionality of the Emergency Hydronic (EHH) switch and associated interlocks.
  2. Test for unintended closure of the EHH switch due to wiring faults or control logic issues.
  3. Check for related auxiliary safeties that may be forcing Hydronic mode.
  4. Reset or replace faulty switches or control wiring as needed.

Parts needed: EHH (Emergency Hydronic) switch, Control wiring and connectors

🛑 When to Call a Pro:
  • If the Emergency Hydronic switch situation cannot be identified or reset by the user
  • If repeated EH codes persist after opening the switch, indicating deeper control logic or wiring issues

Technical Specifications

wattage 3000W
component Compressor
resistance 5-15 ohms
part_number P123456789
voltage_rating 240V AC

Common Questions

What does EH error mean on Amana Air Conditioner?

EH error means the compressor is disabled due to the Emergency Hydronic switch being engaged.

Can I fix Amana Air Conditioner EH error myself?

Yes, you can check and open the Emergency Hydronic switch after turning off the power.

How much does it cost to fix EH error?

The estimated repair cost is between $50 and $200, depending on parts and labor.

When should I call a technician for EH?

Call a technician if you can't reset the switch or if EH codes persist after resetting.

Sources & References

Data last verified: 2026-01-25

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