Honeywell YRTH7500D1009 Quick Installation Guide - Page 27

Heating or cool, ing system does, not respond, Wait appears, on the screen, Heat pump is, sues cool

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SETUP WIRING Troubleshooting RTH7400/RTH7500 Series 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. Wait 5 minutes for the system to "Wait" appears on the screen Heat pump issues cool air in heat mode, or warm air in cool mode Compressor protection feature is engaged. Wait 5 minutes for the system to restart safely, without damage to the compressor. Check Function 0190: Heat Pump Changeover Valve to make sure it is properly configured for your system (see page 17). ASSISTANCE TROUBLESHOOTING 25 69-2487ES-01

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RTH7400/RTH7500 Series
25
69-2487ES—01
Troubleshooting
SETUP
WIRING
ASSISTANCE
TROUBLESHOOTING
Heating or cool-
ing 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.
Wait 5 minutes for the system to
“Wait” appears
on the screen
Compressor protection feature is
engaged. Wait 5 minutes for the system
to restart safely, without damage to the
compressor.
Heat pump is-
sues cool air in
heat mode, or
warm air in cool
mode
Check Function 0190: Heat Pump
Changeover Valve to make sure it is
properly configured for your system
(see page 17).