Reference Guide

Product state Ready light state Attention light state
Error message Off Blinking
Fatal error (49 or 79 error)
1
On On
1
The product restarts after one of these errors occurs.
Control-panel diagnostics
The product includes diagnostic tests for the control panel.
Test the control-panel display
1. Touch the Setup
button.
2. Touch the left arrow button
, and then quickly touch the Cancel button.
3. Touch the Setup
button to return to the main menus.
4. Open the 2ndary Service menu.
5. Open the Display test menu.
Test the control-panel buttons
1. Touch the Setup
button.
2. Touch the left arrow button
, and then quickly touch the Cancel button.
3. Touch the Setup
button to return to the main menus.
4. Open the 2ndary Service menu.
5. Open the Button test menu.
Engine Diagnostics
Engine test
1. With the product off, open the front and rear doors.
2. Turn the power on, and close both doors within ten seconds.
3. An engine test page (a page containing multiple horizontal colored lines) will print.
124 Chapter 6 Solve problems ENWW