Installation Guide
69-1816EFS—09 8
Accessories
Please contact your distributor to order replacement parts.
Outdoor temperature sensor ..........................................Part number C7089U1006
Remote indoor temperature sensor ...............................Part number C7189U1005
Discharge air temp. sensor ............................................Part number C7835A1009
Energy recovery ventilator .............................................Part number ER200B2006
Heat recovery ventilator .................................................Part number HR200B1005
Fresh air damper ............................................................Part number EARD6
2-Channel Telephone access module ............................Part number W8735D1009
4-Channel Telephone access module ............................Part number W8735D1017
Bypass flow-through or steam humidifier .....................Part number HE265A1007
UV air purifier .................................................................Part number UV100E1043
Cover plate .....................................................................Part number 32003796-001
(Use to cover marks left by old thermostats.)
*Contact your dealer or Honeywell rep for a complete list of compatible products.
027
Faulty thermostat (must be replaced)
035
Duplicate thermostat zone detected
036
Duplicate UV timer
037
Duplicate filter timer
038
Duplicate humidifier pad timer
039
Duplicate indoor humidity sensor
040
Compressor should be running but it is not
050
Duplicate outdoor temperature sensor
052
Faulty post-coil air discharge sensor
053
Faulty outdoor temperature sensor
054
Faulty indoor humidity sensor
089
Heating/cooling equipment is missing
090
Data interface is continuously busy
091
Thermostat is not receiving data from other
equipment
118
Faulty discharge air temperature sensor
119
Faulty temperature sensor
121
Duplicate post-coil air discharge sensor
Installer system test
1. Enter the Installer System Test by entering
Installer Setup.
2. The test appears at the end of the Installer
Setup Numbers.
3. See above for available Installer System
Tests.
4. If installed with a Discharge Air Temperature
Sensor (ISU365=1), press
MORE
to view the
discharge temperature, and press
CANCEL
to
return to the Installer test screen.
How to Use the Installer System Test
The Installer Test is part of the Installer Setup Menu.
Need Help?
For assistance with this product please visit
http://customer.honeywell.com
or call Honeywell Customer Care toll-free at
1-800-468-1502
Error codes
