In some cases, such as incorrect/loose alarm wiring, system problems can exist with no active alarms. Use the step test and test all system functions. If certain functions do not work properly, the troubleshooting sections outlined below can be used to troubleshoot these components.
The troubleshooting articles can be found under System Alarms.
Possible Cause | Component to Check |
Supply fan | AC Fan: A10/A11, Evaporator Fan Overload DC Fan: A29/A30, DC Fan Air Flow Alarm |
Heater | A08: Low Temp Alarm |
Compressor | A07: High Temp Alarm |
Condenser fan | A03/A06: High Pressure Alarm |
Damper | A24/A25: Damper Alarm |