RF20 Press / to share the Z-Wave node information
Options:
0 Idle
1 Send node
17
In case of difficulty
If you have difficulty with your thermostat, please try the following suggestions. Most problems can be corrected
quickly and easily.
Display is blank
Check circuit breaker and reset if necessary.
Make sure power switch at heating & cooling system is on.
Make sure furnace door is closed securely.
No response to key presses (or temperature will not change)
Check to make sure the thermostat is not locked (see page 17).
Make sure heating and cooling temperatures are set to acceptable ranges:
Heat: 40° to 90°F (4.5° to 32°C)
Cool: 50° to 99°F (10° to 37°C)
Backlight is dim
If thermostat is AC powered, a dim display is normal. The backlight remains on at a low level, and brightens
when a key is pressed.
Thermostat shows the calendar screen (year, date, & month) when the power is restored
This indicates that the coin cell battery has drained out. Replace the coin cell battery immediately.
18
Heating or cooling system does not respond
Press SYSTEM to set system to Heat. Make sure the temperature is set higher than the Inside temperature.
Press SYSTEM to set system to Cool. Make sure the temperature is set lower than the Inside temperature.
Check circuit breaker and reset if necessary.
Make sure power switch at heating & cooling system is on.
Make sure furnace door is closed securely.
If “Wait” is displayed, the compressor protection timer is on. Wait 5 minutes for the system to restart safely,
without damaging the compressor.
Display shows Fan Auto and On or Auto and Circ at the same time
This is normal operation. Auto indicates the thermostat is following the programmed fan setting. If Auto and On
is shown, the fan is scheduled for “On” during this period (see page 7).
19
Regulatory Information
FCC Compliance Statement (Part 15.19) (USA only). This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions: 1) this device may not cause harmful interference, and 2) this
device must accept any interference received, including interference that may cause undesired operation.
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