AMANA Air Conditioner Error Codes

CODE = FP

Modes

STATUS = Freeze Protection Engaged. The room temperature measured by the wireless remote thermostat or indoor ambient thermistor active sensor

falls below 40°F.

DISPLAY = Y

ERROR LIGHT = N

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

 

CODE = Fd

Modes

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

DISPLAY = Y

ERROR LIGHT = N

SUGGESTED ACTION = Open flout desk switch to allow occupant unit operation.

 

CODE = Eo

Modes

STATUS = Un-Configured Service Board — All operation held awaiting configuration

DISPLAY = Y

ERROR LIGHT = Y

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

 

CODE = EH

Modes

STATUS = Emeregency Hydronic Engaged. The EI-H-I switch is closed. Compressor is switched ofi‘.

DISPLAY = Y

ERROR LIGHT = N

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

 

CODE = LS

Modes

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

DISPLAY = Y

ERROR LIGHT = N

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

 

CODE = On

Modes

STATUS = Control is configured to respond to a wired thermostat

DISPLAY = Y

ERROR LIGHT = N

SUGGESTED ACTION = No action if a wired thermostat is being used. Otherwise, see Configuration Settings.

 

CODE = F1

FAILURES

STATUS = Indoor Ambient Thermistor reads outside the range -20°F to 200°F & the wireless thermostat is not communicating to the unit control or

DISPLAY = Y

ERROR LIGHT = Y

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

 

CODE = F1

FAILURES

STATUS = Indoor Ambient Thermistor (IAT) without a wireless remote thermostat reads outside the range -20°F to 200°F.

DISPLAY = Y

ERROR LIGHT = Y

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

 

CODE = F2

FAILURES

STATUS = Wireless Remote Thermostat failure

DISPLAY = N

ERROR LIGHT = N

SUGGESTED ACTION = Replace Wireless Thermostat.

 

CODE = F3

FAILURES

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

DISPLAY = Y

ERROR LIGHT = N

SUGGESTED ACTION = Replace black Indoor Ambient Thermistor.

 

CODE = F4

FAILURES

STATUS = Indoor Coil Thermistor either above or below operating tolerance

DISPLAY = N

ERROR LIGHT = Y

SUGGESTED ACTION = Replace Red Indoor Coil Thermistor .

 

CODE = F5

FAILURES

STATUS = Wireless Thermostat failure.

DISPLAY = N

ERROR LIGHT = Y

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

 

CODE = F6

FAILURES

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

DISPLAY = N

ERROR LIGHT = Y

SUGGESTED ACTION = Replace Yellow Indoor Discharge Thermistor.

CODE = Fb

FAILURES

STATUS = Low Remote Battery Warning

DISPLAY = N

ERROR LIGHT = Y

SUGGESTED ACTION = Replace Batteries in Wireless Devices.

 

CODE = H1

FAILURES

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

DISPLAY = Y

ERROR LIGHT = N

SUGGESTED ACTION = Check for incoming power at correct voltage.

 

CODE = br

FAILURES

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

DISPLAY = N

ERROR LIGHT = N

SUGGESTED ACTION = Check for incoming power at correct voltage.

 

CODE = L6

AIRF LOW ALERT

STATUS = Discharge Air Too Hot.

DISPLAY = N

ERROR LIGHT = Y

SUGGESTED ACTION = Clean Filter or Remove Air Blockage

 

CODE = LC

AIRFLOW ALERT

STATUS = Outdoor Coil Thermistor temperature high.

DISPLAY = N

ERROR LIGHT = Y

SUGGESTED ACTION = Clean Condenser Coils, Check Fan for fault. Code will reset afier cleaning.

 

CODE = C2

AIRFLOW ALERT

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

DISPLAY = N

ERROR LIGHT = Y

SUGGESTED ACTION = Clean Condenser Coils, Check Fan for fault. Code will reset afier cleaning.

 

CODE = C5

AIRF LOW ALERT

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

DISPLAY = N

ERROR LIGHT = Y

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

 

CODE = C3

REFRIGERATION ALERT

STATUS = Indoor Coil is freezing up.

DISPLAY = N

ERROR LIGHT = Y

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

 

CODE = C4

REFRIGERATION ALERT

STATUS = Indoor Coil froze up.

DISPLAY = N

ERROR LIGHT = Y

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

 

CODE = CG

REFRIGERATION ALERT

STATUS = Poor Unit Performance.

DISPLAY = N

ERROR LIGHT = Y

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