Amana PTAC AC Error Codes
Amana Air Conditioner Maintenance Dubai
Package Terminal, Air Conditioner/Heat Pump. Amana Diagnostic Codes;
MODES:
Error 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.
- Display: Y
- Error Light: N
Error Code: Fd
- Status: Front Desk switch is closed. All outputs are switched off
- Suggested Action: Open front desk switch to allow occupant unit operation
- Display: Y
- Error Light: N
Error 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.
- Display: Y
- Error Light: Y
Error 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.
- Display: Y
- Error Light: N
Error 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
- Display: Y
- Error Light: N
Error Code: On
- Status: Control is configured to respond to a wired thermostat
- Suggested Action: No action if a wired thermostat is being used. Otherwise, see Configuration Settings.
- Display: Y
- Error Light: N
Error Code: oP
- Status: Open Door Lockout (DS1 & DS2 open; wireless)
- Suggested Action: Close Room Door. Unit will not condition space with door open.
- Display: Y
- Error Light: Y
Error 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
- Display: Y
- Error Light: Y
Error Code: HP
- Status: Heat Sentinel – (WIAT > u3)
- Suggested Action: No action required. This setting will disengage when the room temperature falls
- Display: Y
- Error Light: N
Error Code: Ur
- Status: Un-Rented Status (EHH & INN or wireless)
- Suggested Action: Front Desk needs to set to Rented mode (if applicable)
- Display: Y
- Error Light: N
FAILURES;
Error 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
- Display: Y
- Error Light: Y
Error Code: F2
- Status: Wireless Remote Thermostat failure
- Suggested Action: Replace Wireless Thermostat
- Display: N
- Error Light: N
Error Code: F3
- Status: Indoor Ambient Thermistor reads outside the range -20°F to 200°F
- Suggested Action: Replace black Indoor Ambient Thermistor
- Display: Y
- Error Light: N
Error Code: F4
- Status: Indoor Coil Thermistor either above or below operating tolerances
- Suggested Action: Replace Red Indoor Coil Thermistor
- Display: N
- Error Light: Y
Error Code: F5
- Status: Wireless Thermostat failure
- Suggested Action: Attempt to rebind Wireless Thermostat or Replace Wireless Thermostat
- Display: N
- Error Light: Y
Error Code: F6
- Status: Indoor Discharge Thermistor either above or below operating tolerances
- Suggested Action: Replace Yellow Indoor Discharge Thermistor
- Display: N
- Error Light: Y
Error Code: Fb
- Status: Low Remote Battery Warning
- Suggested Action: Replace Batteries in Wireless Devices
- Display: N
- Error Light: Y
Error Code: H1
- Status: High Voltage Protection engaged. Power supply voltage is to high
- Suggested Action: Check for incoming power at correct voltage
- Display: Y
- Error Light: N
Error Code: br
- Status: Brown Out Protection engaged. Power was lost or voltage is low
- Suggested Action: Check for incoming power at correct voltage
- Display: N
- Error Light: N
AIRFLOW ALERTS;
Error Code: L6
- Status: Discharge Air Too Hot
- Suggested Action: Clean Filter or Remove Air Blockage
- Display: N
- Error Light: Y
Error Code: LC
- Status: Outdoor Coil Thermistor temperature high
- Suggested Action: Clean Condenser Coils, Check Fan for fault. Code will reset after cleaning
- Display: N
- Error Light: Y
Error 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.
- Display: N
- Error Light: Y
Error Code: C5
- Status: Outdoor Coil temperature too high for outdoor ambient temperature
- Suggested Action: Check for Blocked Outdoor Air or Clean Coil
- Display: N
- Error Light: Y
REFRIGERATION ALERTS;
Error 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 tub
- Display: N
- Error Light: Y
Error 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
- Display: N
- Error Light: Y
Error 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
- Display: N
- Error Light: Y
Error Code: C6
- Status: Poor Unit Performance
- Suggested Action: Check for blower motor, compressor, or electric heat operation
- Display: N
- Error Light: Y
Error 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
- Display: N
- Error Light: Y
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