Troubleshooting - Honeywell Z-Wave Series Quick Installation Manual

Quick Installation Guide

Troubleshooting

If you have difficulty with your thermostat, please try the following suggestions.
Most problems can be corrected quickly and easily.
Display is blank
Cannot change system set-
ting to Cool
Fan does not turn on when
heat is required
Heating system is running in
cool mode
Heating or cooling system
does not respond
Heat On / Cool On
flashing on the screen
Heat pump issues cool air
in heat mode, or warm air in
cool mode
Aux heat runs in cooling
Cool runs with a call for heat For heat pump systems, verify there is not a wire attached to W on
Make sure fresh AA alkaline batteries are properly installed (see
page 6).
If powered by common (C-wire), verify circuit breaker and furnace
switch are turned on.
Verify furnace door is securely closed.
Check System Setup Option 220 to make sure the options are set to
either 1 or 2 (see page 10).
Check System Setup Option 205 to make sure it is set to match your
heating equipment (see page 10).
Check System Setup Option 200 or 218 to make sure it is set to
match your heating and cooling equipment (see page 10).
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.
Wait 5 minutes for the system to respond.
Compressor protection feature is engaged. Wait 5 minutes for the
system to restart safely, without damage to the compressor.
Check System Setup Option 200 or 218 to make sure it is set to
match your heating and cooling equipment (see page 10).
For heat pump systems, verify there is not a wire attached to W on
UWP systems. See "Wiring—heat pump" on page 21.
UWP systems. See "Wiring—heat pump" on page 21.
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