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19 69-0639—1
Troubleshooting (Continued)
Problem Check Action
Room switch at COOL, move temperature
temperatures setting levers 5° F [3° C] below room
are not correct temperature. Cooling system should
(continued). start.
If the system does not operate, call
a qualified service technician.
Burner-on time —anticipator setting. (See Fig. 6 Increase anticipator setting by 0.05.
too short. for anticipator location.) Observe burner operation.
Burner-on time —anticipator setting. (See Fig. 6 Decrease anticipator setting by 0.05.
too long. for anticipator location.) Observe burner operation.
No cooling. —system switch. May be in OFF Move switch to COOL position.
or HEAT position. See page 8.
—fuse or circuit breaker. If fuse is blown or breaker tripped,
replace or reset.
(Continued)
1
Troubleshooting (Continued)
1
Problem Check Action
No cooling —condenser switch position. Move to ON position.
(continued). (Located outdoors and may
be turned OFF.)
—thermostat connections. Check Turn OFF power to cooling system.
for correct terminal hookups.
Repair any frayedor broken wires.
Firmly tighten all terminal screws.
—other. Contact a qualified service technician
for assistance.
Thermostat setting —level position of thermostat. Reinstall thermostat wallplate or
and thermometer subbase. Use a spirit level.
reading disagree.
—area around thermostat for Thermostat should be about 5 ft [1.5m]
drafts or radiant heat. above floor on an inside wall. Contact a
qualified service technician for change
of location.
(Continued)