| 1. | A Potential Freeze Condition Continues for 4 Minutes After the Coolest Sensor in the Heater is Above 45°F (7.2°C). |
| 2. | Wait at least 4 Minutes, and then Check for an "ICE", "IC", or "FREEZE COND" Message on the Topside Panel Display. |
| 3. | After waiting 4 Minutes, is there Still an "ICE", "IC", or "FREEZE COND" Message on the Topside Panel Display? |
YES NO
|