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 front 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 EHH switch is closed. Compressor is switched off.
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
AIRFLOW 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 after 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 after cleaning.
CODE = C5
AIRFLOW 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 Refrigerant 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 = C6
REFRIGERATION ALERT
STATUS = Poor Unit Performance.
DISPLAY = N
ERROR LIGHT = Y
SUGGESTED ACTION = Check for blower motor, compressor, or electric heat operation
