TM
Installation & Service Manual
11 Operating information
Status Display Screens (cont’d)
By using the Previous/Next (, ) arrow keys on the electronic control module display panel, you can navigate through the five (5) display screens. Each screen will contain two (2) viewable items. The following is a description of the individual items and what they can display:
Screen | Display shows: | Description |
| RISE: ***.*F | The control will display the temperature difference between the |
| outlet and inlet of the heat exchanger. | |
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#3 | FLUE: ***.*F | The control will display the flue temperature. |
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| Open | The control does not detect the flue sensor. |
Shorted
The flue sensor wires or the sensor itself has become shorted.
Press the Next arrow key on the electronic control module display to access Screen #4.
#4 | FAN SPD: ****RPM | The control will display the actual fan motor RPM. | |
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FLAME SIG: **.*uA | The control will display the flame signal in dc microamps. | ||
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Press the Next arrow key on the electronic control module display to access Screen #5.
#5
FAULT 01 MM:DD:YY (fault)
FAULT 01 hh:mm (fault)
This screen allows the user to view the last 10 faults. The most recent fault is shown first. The top line of the display shows the fault number, and alternates between the date of the fault (MM:DD:YY) and the time (hh:mm). The bottom line shows cause of the fault. To view earlier faults, press the UP key. To review later faults, press the DOWN key.
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