Honeywell TH5110D Owner's Manual - Page 22

If .., Then .. - troubleshooting

Page 22 highlights

Troubleshooting Tips (Cont) If . . . Then . . . "Cool On" is Set System setting to Cool and set the not shown in temperature setting below the room the display. temperature. If "Cool On" is shown solidly in the display, but the cooling system does not turn on, see "Cooling system does not turn on" in Troubleshooting Tips. "Heat On" is Compressor minimum-off timer is active. flashing in Wait up to five minutes for the heating the display system to turn on. (heat pumps only). "Cool On" is Compressor minimum-off timer is active. flashing in Wait up to five minutes for the cooling the display. system to turn on. 22 69-1713

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22
69-1713
²Cool On³ is
not shown in
the display.
Set System setting to Cool and set the
temperature setting below the room
temperature. If ²Cool On³ is shown solidly
in the display, but the cooling system does
not turn on, see ²Cooling system does not
turn on³ in Troubleshooting Tips.
²Heat On³ is
flashing in
the display
(heat pumps
only).
Compressor minimum-off timer is active.
Wait up to five minutes for the heating
system to turn on.
²Cool On³ is
flashing in
the display.
Compressor minimum-off timer is active.
Wait up to five minutes for the cooling
system to turn on.
Troubleshooting Tips (Cont)
If . . .
Then . . .