18
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)
