1
1
5
5
SYMPTOM
ACTION TO TAKE
1.
Mode is Off (Select Heat, Cool, or Auto)
Can't Adjust Temperature
2.
Check if thermostat keys are disabled
To enable thermostat keys for test, remove jumper
SYMPTOM
ACTION TO TAKE
1. Check COMM connector and wiring
2. Check thermostat address setting
3.
Check communications mode setting
Control By Remote System
Not Working
4. Check setup of the remote system
Ensure that all setup items for the thermostat and the remote system are set to the proper
configurations for communication
SYMPTOM
ACTION TO TAKE
1.
Allow 30 minutes for thermostat to adjust to room
temperature
2.
Adjust calibration offset
Temperature Reading
Incorrect
3.
Change setup option to display
o
F or
o
C
After installation, allow the thermostat up to 30 minutes for an accurate temperature reading
SYMPTOM
ACTION TO TAKE
Display Problem
1.
Disconnect power to the thermostat. Reconnect, then
observe display self-test
For a 5 second period after power is reconnected, all segments of the display should light indicating
all thermostat functions
SYMPTOM
ACTION TO TAKE
1.
Heat Pump is not able to meet load due to cold weather
Aux Heat On Too Often
2.
Thermostat is in EM Heat mode – Set thermostat to Heat or
Auto mode
In EM Heat mode, the auxiliary heat is turned on.
SYMPTOM
ACTION TO TAKE
Heat Pump Heats In Cool
Mode & Cools In Heat Mode
1.
Reversing valve is connected to wrong terminal - move
wire from B to O or from O to B
The wires connecting the reversing valve may be reversed - (See Note 1 - Page 8)
SYMPTOM
ACTION TO TAKE
No Auxiliary OR Emergency
Heat
1.
See if heat pump is equipped with outdoor thermostat. If so,
disconnect it.
Heat pump may be equipped with an outdoor thermostat which is overriding Aux Heat when
outdoor temperature is above certain level - Disconnect the outdoor thermostat, the RC-100
controls the Aux Heat automatically
Summary of Contents for RC-100
Page 5: ...5 5 Figure 5...
