Lochinvar Shield SNA285-125 - Manual (Page 52)

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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
#3
RISE: ***.*F
The control will display the temperature difference between the
outlet and inlet of the heat exchanger.
FLUE: ***.*F The control will display the flue temperature.
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.
FLAME SIG: **.*uA The control will display the flame signal in dc microamps.
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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