Amana Air Conditioner Error Codes

Amana Air Conditioner Maintenance Dubai

Amana Air Conditioner Error Codes

Standard and Remote Applications with LED M70 Control Board and R-410A

MODES

CODE: FP

STATUS: Freeze Protection Engaged. The room temperature measured by the wireless remote thermostat or indoor ambient thermistor active sensor falls below 40°F.

SUGGESTED ACTION: No Action required. This setting will disengage when the room temperature rises above  43°F.


CODE: Fd

STATUS: Front Desk switch is closed. All outputs are switched off.

SUGGESTED ACTION: Open front desk switch to allow occupant unit operation.


CODE: Eo

STATUS: Un-Configured Service Board – All operation held awaiting configuration

SUGGESTED ACTION: Enter Configuration Menu and set “C3” to “C” for coolers with electric heat or “H” for heat pumps.


CODE: EH

STATUS: Emergency Hydronic Engaged. The EHH switch is closed. Compressor is switched off.

SUGGESTED ACTION: Open front emergency hydronic switch to allow occupant unit operation.


CODE: LS

STATUS: Load Shedding Engaged. The LS switch is closed. Compressor and Electric heat is switched off.

SUGGESTED ACTION: Open load shedding switch to allow occupant unit operation.


CODE: On

STATUS: Control is configured to respond to a wired thermostat

SUGGESTED ACTION: No action if a wired thermostat is being used.


CODE: oP

STATUS: Open Door Lockout (DS1 & DS2 open; wireless)

SUGGESTED ACTION: Close Room Door. Unit will not condition space with door open.


CODE: nP

STATUS: Window Switch Lockout – (LS & INN open)

SUGGESTED ACTION: Close Room Door or Window. Unit will not condition space with door or window open.


CODE: HP

STATUS: Heat Sentinel – (WIAT > u3)

SUGGESTED ACTION: No action required. This setting will disengage when the room temperature falls.


CODE: Ur

STATUS: Un-Rented Status (EHH & INN or wireless)

SUGGESTED ACTION: Front Desk needs to set to Rented mode (if applicable)


FAILURES

CODE: F1

STATUS:

  • Indoor Ambient Thermistor reads outside the range -20°F to 200°F & the wireless thermostat is not communicating to the unit control or
  • Indoor Ambient Thermistor (IAT) without a wireless remote thermostat reads outside the range -20°F to 200°F.

SUGGESTED ACTION: Replace black Indoor Ambient Thermistor or Wireless Remote Thermostat.


CODE: F2

STATUS: Wireless Remote Thermostat failure

SUGGESTED ACTION:  Replace Wireless Thermostat.


CODE: F3

STATUS: Indoor Ambient Thermistor reads outside the range -20°F to 200°F

SUGGESTED ACTION: Replace black Indoor Ambient Thermistor.


CODE: F4

STATUS: Indoor Coil Thermistor either above or below operating tolerances.

SUGGESTED ACTION: Replace Red Indoor Coil Thermistor .


CODE: F5

STATUS: Wireless Thermostat failure

SUGGESTED ACTION: Attempt to rebind Wireless Thermostat or Replace Wireless Thermostat.


CODE: F6

STATUS: Indoor Discharge Thermistor either above or below operating tolerances.

SUGGESTED ACTION: Replace Yellow Indoor Discharge Thermistor.


CODE: Fb  

STATUS: Low Remote Battery Warning.

SUGGESTED ACTION: Replace Batteries in Wireless Devices.


CODE: H1

STATUS: High Voltage Protection engaged. Power supply voltage is to high.

SUGGESTED ACTION: Check for incoming power at correct voltage.


CODE: br 

STATUS: Brown Out Protection engaged. Power was lost or voltage is low

SUGGESTED ACTION: Check for incoming power at correct voltage.

AIRFLOW ALERTS

CODE: L6

STATUS: Discharge Air Too Hot.

SUGGESTED ACTION:  Clean Filter or Remove Air Blockage.


CODE: LC

STATUS: Outdoor Coil Thermistor temperature high.

SUGGESTED ACTION: Clean Condenser Coils, Check Fan for fault. Code will reset after cleaning


CODE: C2  

STATUS: Indoor Air Recirculation. Large delta between thermostat and return.

SUGGESTED ACTION: Clean Filter or Remove Air Blockage or Close Vent Door or Improve indoor to outdoor seal.


CODE: C5 

STATUS: Outdoor Coil temperature too high for outdoor ambient temperature.

SUGGESTED ACTION: Check for Blocked Outdoor Air or Clean Coil.

REFRIGERATION ALERTS

CODE: C1 

STATUS: Indoor Coil is freezing up

SUGGESTED ACTION: Clean filter, Check for fan and blower operation, Check for Refrigerant loss or Restricted capillary tube.


CODE: C3 

STATUS: Indoor Coil is freezing up.

SUGGESTED ACTION: Clean filter, Check for fan and blower operation, Check for Refrigerant loss or Restricted capillary tube.


CODE: C4 

STATUS: Indoor Coil froze up.

SUGGESTED ACTION: Clean filter, Check for fan and blower operation, Check for Refrigerant loss or Restricted capillary tube.


CODE: C6 

STATUS: Poor Unit Performance.

SUGGESTED ACTION: Check for blower motor, compressor, or electric heat operation.


CODE: C7

STATUS: Indoor Freezing Lockout (ICT – IAT > 20) +10 Min

SUGGESTED ACTION: Clean filter, Check for fan and blower operation, Check for Refrigerant loss or Restricted capillary tube.

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Amana Air Conditioner Error Codes
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