22
Red Light Signal Refer to Abnormal Heating or Cooling Operation Sections of this Manual
1 Flash External Lockout
2 Flashes Pressure Switch Stuck Open
3 Flashes Pressure Switch Stuck Closed
4 Flashes Thermal Protection Device Open
5 Flashes Flame Detected with Gas Valve Closed
Amber Light Signal Refer to Abnormal Heating or Cooling Operation Sections of this Manual
On Normal Flame
1 Flash Low Flame Current
2 Flashes Flame Detected with Gas Valve De-energized.
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