Integrated Control Diagnostic Modes
Display | Action (when button released) |
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No change (idle)* | Remain in idle mode |
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Solid | Enter diagnostic recall mode |
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Solid | Discharge Air Installed |
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Solid | Enter flame signal mode |
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Solid | Program unit capacity/size (Unit Code)** |
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*No change implies the display will continue to show whatever is currently being displayed for normal operation (blinking decimal, active error code, heat state, etc..)
** After the art flashing the | 0 |
seconds. If push button is pressed again and held during that time, the control will start to display characters corresponding
to different variable speed furnace models for 3 seconds each. While the wanted character−model is displayed push button has to be released. Selected option will flash display for 10 seconds and during that time push button has to be pressed
and held for 5 seconds. Once control accepts new setting it will store data in non−volatile memory and reset itself. If 10 sec-
onds expires or push button is held less than 5 seconds, control will exit filed test mode and go in idle without programming
the unit size.
Integrated Control Diagnostic Codes
Press the diagnostic push button and hold it to cycle through a menu of options. Every five seconds a new menu item will be
displayed. Release the button when the desired mode is displayed. |
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When a solid "P" is displayed, the furnace capacity / size is programmed. |
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When the solid |
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options: No change (displaying error history) remains in Diagnostic Recall mode; solid |
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and solid . Must press button while flashing |
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When the solid |
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cycle/reset, by pressing and holding the push button until 3 horizontal line are displayed |
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flame signal mode. |
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Code | Diagnostic Codes/Status of Equipment | Action Required to Clear and Recover | ||||
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. | Idle mode (Decimal blinks at 1 Hertz −− 0.5 second ON, 0.5 second OFF). |
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A | Cubic feet per minute (cfm) setting for indoor blower (1 second ON, 0.5 |
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| second OFF) / cfm setting for current mode displayed. |
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C | Cooling stage (1 second ON, 0.5 second OFF) / 1 or 2 displayed / Pause |
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| / cfm setting displayed / Pause / Repeat codes). |
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d | Dehumidification mode (1 second ON) / 1 second OFF) / cfm setting dis- |
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| played / Pause / Repeat Codes). |
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h | Heat pump stage (1 second ON, 0.5 second OFF) / % of input rate dis- |
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| played / Pause / cfm setting / Pause / Repeat codes. |
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H | Gas Heat Stage (1 second ON, 0.5 second OFF) / 1 or 2 displayed / |
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| Pause / cfm |
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| setting displayed / Pause / Repeat codes. Blinking during ignition. |
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dF | Defrost mode. |
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U | Discharge Air Temperature |
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