Honeywell RTH7400 Manual de usuario descargar pdf (Pagina 27)

RTH7400/RTH7500 Series

25 69-2487EF—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 congured for your system

(see page 17).

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Honeywell RTH7400 Manual de usuario Pagina 27