Amana air conditioner troubleshooting

Air conditioning equipment ensures indispensable cool air while hot weather. It is exceedingly vital in lodgings with aged or sick occupants. Amana air conditioner troubleshooting helps you understand whether the problem needs the attention of a repair man or if you can fix the problem yourself. There are most usual cases, which include the electricity supply, controls or location of the unit within your lodging. Solution to these problems helps return any air conditioner to normal operation.

The following is a list of problems that are sometimes encountered when using a room air conditioner. Possible cause and suggested remedies are given for each problem.

Amana air conditioner troubleshooting


PROBLEMPOSSIBLE CAUSESUGGESTED REMEDY
UNIT WILL NOT RUNNo power to unitPush reset button on power cord.
Set Fan Control to position other than OFF.
Make sure plug is firmly seated in outlet.
Check for blown fuses, tripped circuit breakers
LITTLE OR NO COOLING
LITTLE OR NO HEATING
(fan and compressor run)
Fresh air/exhaust damper open
Obstructed indoor or outdoor airflow
Dirty air filters
Unit undersized for application
Set vent to CLOSED.
Remove obstruction from indoor grille or outdoor louvers.
Dirty air filter. Clean or replace, as needed.
Check with dealer to determine proper capacity unit for application
LITTLE OR NO COOLING
LITTLE OR NO HEATING
(only fan runs)
Temperature Control not set properlyFor cooling, turn Temperature Control to cooler setting.
For heating, turn Temperature Control to warmer setting
NOISY UNITLoose front on mounting assembly
Weak building construction
Water hitting fan blade
Unit oversized for application:
compressor cycles on and off frequently
Tighten any loose parts.
Provide additional support for unit.
Normal in high humidity. Stop noise by removing drain plug or
adding condensate drain cup.
Check with dealer to determine proper capacity unit for application
MOUNTING SUPPORT NOT
INSTALLED
Storm window frame installed in windowSome models require removal of storm window frame before
installation
FROST ON INDOOR COILDirty air filter
Normal for low outdoor temperatures
Clean air filter by vacuuming or washing with water and mild soap.
Turning Temperature Control to warmer setting reduces occurrence
and duration of frost
FROST ON OUTDOOR COIL
(heat pump models only)
Normal for outdoor temperatures at or
below 45°F
Call for service only if unit does not heat room and you have
checked all problems and remedies listed under LITTLE OR NO
HEATING
ODORS IN COOLINGMold, mildew, or algae formation on wet
surfaces
To reduce algae growth, use algaecide tablet in base pan; remove
drain plug; add condensate drain cup and hose. Thoroughly clean
unit
ODORS IN HEATINGNormal for first time electric heater is
used each season
Caused by dust accumulation during unused months.
Odor dissipates quickly with heater use.

Amana air conditioner error codes


CODESTATUSDISPLAYERROR
LIGHT
SUGGESTED ACTION
Models
FP
Freeze Protection Engaged. The room temperature
measured by the wireless remote thermostat or indoor ambient
thermistor active sensor falls below 40°F
YNNo Action required. This setting will disengage when the room temperature rises above 43°F
Models
Fd
Front Desk switch is closed. All outputs are switched offYNOpen front desk switch to allow occupant unit operation
Models
Eo
Un-Configured Service Board -
All operation held awaiting configuration
YYEnter Configuration Menu and set "C3" to "C"
for coolers with electric heat or "H" for heat pumps
Models
EH
Emergency Hydronic Engaged. The EHH switch is closed.
Compressor is switched off.
YNOpen front emergency hydronic switch to allow occupant unit operation
Models
LS
Load Shedding Engaged. The LS switch is closed.
Compressor and Electric heat is switched off.
YNOpen load shedding switch
to allow occupant unit operation
Models
On
Control is configured to respond to a wired thermostatYNNo action if a wired thermostat is being used. Otherwise, see Configuration Settings.
Models
oP
Open Door Lockout
(DS1 & DS2 open; wireless
YYClose Room Door.
Unit will not condition space with door open
Models
nP
Window Switch Lockout -
(LS & INN open)
YYClose Room Door or Window
Unit will not condition space with door or window open
Models
hP
Heat Sentinel -
(WIAT > u3)
YNNo action required. This setting will disengage when the room temperature falls
Models
Ur
Un-Rented Status
(EHH & INN or wireless)
YNFront Desk needs to set to Rented mode (if applicable)
Failures
F1Indoor 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.
YYReplace black Indoor Ambient Thermistor or Wireless Remote Thermostat
F2Wireless Remote Thermostat failureNNReplace Wireless Thermostat
F3Indoor Ambient Thermistor reads
outside the range -20°F to 200°F
YNReplace black Indoor Ambient Thermistor.
F4Indoor Coil Thermistor either above
or below operating tolerances
NYReplace Red Indoor Coil Thermistor
F5Wireless Thermostat failureNYAttempt to rebind Wireless Thermostat
or Replace Wireless Thermostat
F6Indoor Discharge Thermistor either above
or below operating tolerances
NYReplace Yellow Indoor
Discharge Thermistor
FbLow Remote Battery WarningNYReplace Batteries in Wireless Devices
H1High Voltage Protection engaged.
Power supply voltage is to high
YNCheck for incoming power at correct voltage
brBrown Out Protection engaged.
Power was lost or voltage is low
NNCheck for incoming power at correct voltage
Airflow Alerts
L6Discharge Air Too HotNYClean Filter or Remove Air Blockage
LCOutdoor Coil Thermistor temperature highNYClean Condenser Coils, Check Fan for
fault. Code will reset after cleaning
C2Indoor Air Recirculation. Large delta between thermostat and
return
NYClean Filter or Remove Air Blockage or Close
Vent Door or Improve indoor to outdoor seal.
C5Outdoor Coil temperature too high for outdoor ambient
temperature
NYCheck for Blocked Outdoor Air or Clean Coil
Refrigeration Alerts
C1Indoor Coil is freezing upNYClean filter, Check for fan and blower operation Check for Refrigerant loss or Restricted capillary tube
C3Indoor Coil is freezing upNYClean filter, Check for fan and blower operation Check for Refrigerant loss or Restricted capillary tube
C4Indoor Coil froze upNYClean filter, Check for fan and blower operation,Check for Refrigerant loss or Restricted capillary tube.
C6Poor Unit PerformanceNYCheck for blower motor, compressor,
or electric heat operation
C7Indoor Freezing Lockout (ICT - IAT > 20) +10 MinNYClean filter, Check for fan and blower operation Check for Refrigerant loss
or Restricted capillary tube