All LED’s Flashing-3 Way Models Only (LED’s will flash, pause, flash, pause, etc.)DC heater failed open. DC voltage is being supplied to the heater but the heater is notdrawing current (no cooling).Flashing Temperature Setting LED-All Models (LED will flash, pause, flash, pause, etc.)Back-Up Operating System. If the thermistor becomes inoperable, the power board willrevert to the Back-Up Operating System. When the refrigerator enters this mode thethermistor is ignored and the refrigerator will interpret the thermostat setting as a dutycycle command.All LED’s Flashing-All Models (LED’s will flash, pause, flash, pause, etc.)AC heater failed open. AC voltage supplied to heater; AC heater not drawing current.All LED’s Flashing-All Models (LED’s will flash, pause, flash, pause, etc.)Flame sense circuit failure.All LED’s Flashing-All Models (LED’s will flash, pause, flash, pause, etc.)AC heater failed for current out-of-tolerance.All LED’s Flashing-3-Way Models Only (LED’s will flash, pause, flash, pause, etc.)DC heater failed for current out-of-tolerance.12