65
Table 19. Alert Codes and Troubleshooting
GF= Gas Furnace, AH=Air Handler, ID=Indoor unit (GF or AH), HP=Heat Pump, AC=Air Conditioner, OD=Outdoor Unit (AC or HP), PA=Pure Air S, ZA=Zone system and TS=Thermostat
Alert
Code
Inverter
Flash
Code
Priority
Condition
Actual Displayed
Alert Text
Under dealer
control center >
Notifications
Component or System Operational State and Troubleshooting Tip
How to clear alert code
132
Service
Urgent
Device Control
Software Fault
System component control software is corrupted.
• Recycle power.
• If failure re-occurs, replace the system component control.
Manual system power reset is
required to recover from this alert
code.
180
Service Soon
Outdoor
Temperature
Sensor Problem
The thermostat has found a problem with the outdoor temperature sensor. In normal operation
after system component control recognizes sensors, the alert code will be sent if valid temperature
reading is lost.
• Compare outdoor sensor resistance to temperature / resistance charts in unit installation
instructions. Replace sensors pack if necessary.
•
At the beginning of (any) configuration, furnace, air-handler control or equipment interface
module will detect the presence of the sensor(s).
•
If detected (reading in range), appropriate feature will be set as ‘installed’ and shown in the
‘About’ screen.
Automatically clears upon
configuration, or sensing normal
values.
181
Service Soon
OD Suction
Pressure
Transducer
Fault
•
Suction Pressure Transducer reading above 4.75V or below 0.25V for 24hrs +/- 3hrs. Run on
staged operation.
Resets after 3 consecutive readings
that are in range
182
Service Soon
OD Suction
Temperature
Sensor Fault
•
Reading below 0.25V or above 4.75V for 24hrs +/- 3hrs. System will continue to operate
normally.
Resets after 3 consecutive readings
that are in range
183
Service Soon
OD Liquid
Pressure Sensor
Fault
•
Under 0.25V and above 4.75V readings for 24 hours +/-3hrs or more on the sensor will cause
this error.
•
Continue normal operation, see sections related to low pressure switch emulation for specific
details related to low pressure switch faults.
Resets after 3 consecutive readings
that are in range
184
Service Soon
OD LIquid
Temperature
Sensor Fault
• Sensor shorted or open for 24 hours +/-3hrs or more.
• Continue normal operation.
Resets after 3 consecutive readings
that are in range
200
Service
Urgent
GF Rollout Limit
Switch Open
The furnace roll out limit switch is open. Correct the cause of roll out trip.
• Reset roll out switch.
• Test the furnace operation.
•
Check for blocked or obstructed vent pipe (Intake and/or Exhaust).
•
Check for flame stability, if flame is unstable, look for cause.
Automatically clears after the furnace
roll out switch is closed.
201
Service
Urgent
ID Blower Motor
Fault
Lost communication with indoor blower motor.
• Possible causes include power outage, brown-out, motor not powered, loose wiring,
condensation on system component control without cover on breaker.
• Problem may be on system component control or motor side.
Automatically clears after
communication is restored.
