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Page 45

CBX40UHV

4. Error Code / Recall Mode

To enter Error Code Mode,

push and hold button next to

7−Segment LED display until

solid E symbol appears,

release button.

AHC in Idle Mode

(No heating cooling or

indoor fan operation)

Turn room thermostat to OFF

Control will display up to ten error codes

stored in memory. If E 0 0 0 is displayed,

there are no stored error codes.

To exit Error Code Recall Model, push and

hold button next to 7−Segment LED display

until solid three horizontal bars appears, then

release button.

To clear error codes stored in

memory, continue to hold push button

while the solid three horizontal bars

are displayed. Release button when

solid is displayed.

Solid c starts blinking

on 7−Segment LED

Display.

The display will blink for up to ten seconds. During this time, press the

button and release to confirm deletion of the error code history. As

confirmation, AHC will display 0 0 0 0 . (If ten second period expires

or push button is not released, control will automatically exit Error

Code Mode and go into mode without deleting error code history.

Yes No

NOTE − Once the error code history is deleted, it cannot be recovered.

NOTE − Error Codes are not cleared from

memory.

E 0 0 0

−

0 0 0 0

Figure 40. Error Code / Recall Mode

Lennox CBX40UHV Series Unit Information

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