20
Timing Chart for Normal Cooling Operation
Integrated Ignition Control
Diagnostic Signal Chart
Seconds 0 5 0 45
On
Off
On
Off
On
Off
Indoor Fan
Outdoor Fan
And
Compressor
Thermostat
Light Signal
For Corrective Action Refer
to Abnormal Operation Number
Continuous Light
1 Internal Lockout
1 Flash
2 External Lockout
2 Flashes
3 Pressure Switch Stuck Closed
3 Flashes
4 Pressure Switch Stuck Open
4 Flashes
5 Thermal Protection Device Open
Continuous Flashing
6 Flame Sensed - No Call For Heat
Stat Recovery (1/4 Second on,
1/4 Second Off