OUTSIDE AIR TEMPERATURE SENSOR
The Outside Air Temperature Sensor must be used whenever an Outside Air Damper is installed. An Outside Air Temperature Sensor must also be used for dual fuel applications.
Step 16ÐTroubleshooting
This section contains information to assist you in troubleshooting problems and errors associated with the Comfort Zone System. The most common operating problems and different types of errors associated with the Comfort Zone System are:
Operating ProblemsÐNo display, flashing display, and flashing HEAT or COOL annunciators. Comfort Zone controller selects a system mode but does not energize heating/cooling unit.
Hardware Failure (HF) ErrorsÐOccur when Comfort Zone controller detects a problem with 1 of its own components or an associated device.
Storage Failure (SF) ErrorsÐOccur when Comfort Zone con- troller detects and replaces faulty data contained within its memory with factory selected default values.
Transparent ErrorsÐOccur when Comfort Zone controller de- tects a system or zone operating problem.
When any zone cannot maintain room temperature within 5°F of desired setpoint for a period of 20 minutes, a comfort trend error is declared. This error is transparent and will not be shown on controller display. If a Home Access Module (HAM) is on the system, the ACS dealer or national ACS response center will receive a call identifying this error.
CARE AND MAINTENANCE
For continuing optimum performance and to minimize possible equipment failure, it is essential that periodic maintenance be performed on this equipment. Consult your servicing contractor or User's Manual for the proper frequency of maintenance. Fre- quency of maintenance may vary depending upon geographic area.
Leave system manual with homeowner.
Explain system operation and maintenance procedures outlined in User's Manual.
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