Honeywell CT3355A1003 Owner's Manual - Page 33

bAt Lo

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Heating will not come on. (Continued) Cooling will not come on. s Jumper wires R and W. If heat does not come on, contact your heating dealer. s If display is blank or shows bAt Lo, install fresh batteries. s If temperature setting is higher than current temperature, and the display shows HEAT, contact Honeywell Customer Assistance at 1-800-468-1502. s Check that the switch on the thermostat is set to COOL. s Check the system fuse or circuit breaker and replace or reset if necessary. s Check for correct wiring and good connections. s Jumper wires Rc and Y. If cooling does not come on, contact your cooling dealer. s If display is blank or shows bAt Lo, install fresh batteries. s The thermostat has a built-in time delay on cooling. Allow five to ten minutes after changing the setting before the air conditioner starts. s Make sure the outdoor disconnect is energized (on). 33 69-1012

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33
69-1012
Heating will not come on.
(Continued)
■
Jumper wires R and W. If heat does not come on, contact
your heating dealer.
■
If display is blank or shows
bAt Lo
, install fresh batteries.
■
If temperature setting is higher than current temperature,
and the display shows HEAT, contact Honeywell
Customer Assistance at 1-800-468-1502.
Cooling will not come on.
■
Check that the switch on the thermostat is set to COOL.
■
Check the system fuse or circuit breaker and replace or
reset if necessary.
■
Check for correct wiring and good connections.
■
Jumper wires Rc and Y. If cooling does not come on,
contact your cooling dealer.
■
If display is blank or shows
bAt Lo
, install fresh batteries.
■
The thermostat has a built-in time delay on cooling. Allow
five to ten minutes after changing the setting before the
air conditioner starts.
■
Make sure the outdoor disconnect is energized (on).