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TROUBLESHOOTING
IGNITION CONTROL DIAGNOSTIC INDICATOR CHART
Red Light Signal
Off
1 Flash
2 Flashes
3 Flashes
4 Flashes
5 Flashes
6 Flashes
Circulator
Blower
OFF
ON
Gas Valve
OFF
ON
Igniter
OFF
Induced
ON
Draft
OFF
Blower
ON
Thermostat
OFF
Seconds
Circulator
Blower
Outdoor Fan
and
Compressor
Thermostat
(SINGLE STAGE MODELS ONLY)
Refer to Abnormal Heating or Cooling Operation Sections of this Manual
Internal Control Failure
External Lockout
Pressure Switch Stuck Open
Pressure Switch Stuck Closed
Thermal Protection Device Open
Flame Detected with Gas Valve Closed
Short Cycle Compressor Delay (Cooling Only)
HEATING TIMING CHART
0
15
22
45
COOLING TIMING CHART
ON
OFF
ON
OFF
ON
OFF
52
0
100 %
29
120, 135,150
100%
53
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