Honeywell MAGICSTAT 3355 Owner's Manual page 33

Heating will not come on.
(Continued)
Cooling will not come on.
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.
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).
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