Honeywell T8090A/191108A - Page 16

69-0574—2 16
Troubleshooting (continued)
(continued)
Problem Check Action
Room temperatures
are not correct
(continued).
— thermostat circuits. HEATING-ONLY SYSTEM—Move
temperature setting levers 5°F (3°C)
above room temperature. Heating system
should start. If the system does not
operate, call a qualified technician.
COOLING ONLY SYSTEM–Move
temperature setting levers 5°F (3°C)
below room temperature. Cooling system
should start. If the system does not
operate, call a qualified technician.
HEATING/COOLING SYSTEM—With
system switch at HEAT, move
temperature setting levers 5°F (3°C)
above room temperature. Heating
system should start.