Diagnostics (Fault) Screen
Reset Operation
DIAGNOSTICS
WORD TO HOMEOWNER
DIAGNOSTICS
You are now in command of the most sophisticated and easy to use home comfort system
available today. Your
Rheem Comfort Control
2
System
™
with Serial Communicating
Technology will provide you and your family improved comfort, optimal energy
efficiency, and enhanced reliability and performance. Your Comfort Control
2
System
Touchscreen Thermostat constantly communicates with your indoor and outdoor
heating and cooling components to reliably and efficiently provide you with the utmost in
home comfort and peace of mind. This system is so smart it even lets you know at the
thermostat when a service call is needed to protect your heating and cooling investment.
Now you can relax in total comfort in your home. Please read on to learn more about
your new Rheem Comfort Control
2
System.
The system continuously monitors
itself for optimum performance. If it
senses a fault developing, the
touchscreen thermostat Home
Screen Display will indicate
“Call for Service”
and
CHECK
(Equipment Name)
in the scrolling
message area to identify an
equipment fault. When this is
present contact your qualified
service technician.
If a serious fault is detected in any
of the system components, the
system will shut itself down and
indicate a
“Call for Service”
is
necessary. This active protection is
a safeguard for your heating and
cooling investment.
The Fault Screen and the
“Call for
Service”
clears itself when faults
have been corrected.
If a voltage spike or a static discharge blanks out the display or causes erratic operation,
you can reset the thermostat.
To reset the thermostat, touch and and the
SYSTEM
keys at the same time.
The thermostat will go blank and then all segments will be displayed momentarily.
Note: When the thermostat is reset, the Thermostat Options Configuration Menu
settings, time and programming schedule will reset to the factory settings. Refer to the
customized settings for your thermostat and system on the back cover of this book. Use
this Guide to put Menu options back as they were before the thermostat Reset. For your
convenience, Factory Settings are as shown.
Introduction to Rheem Comfort Control
2
System
The Rheem Comfort Control
2
System with Serial Communicating Technology consists of your
indoor furnace or air handler, your outdoor air conditioning condensing unit or heat pump, and
your touchscreen thermostat. These devices are linked together and communicate with each
other over a network. The features of the Rheem Comfort Control
2
System are
auto-configuration of the system, the ability to share information throughout the home comfort
system network and superior temperature control. These features ensure simple, reliable
operation for you and installation for peak performance by your Rheem Dealer.
2
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