Honeywell MAGICSTAT 3355 User Manual
Page 33
33
69-1012
Heating will not come on.
(Continued)
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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).