User Guide

• Malfunction of several keys at the same time; this happens when one or more rows or columns are failing

(shortcut or open connection). For a more detailed description of the keyboard and keymatrix, see section

Keyboard (Page 9–22).

If the failure mode is not clear, start with the Keyboard Test in Phoenix.

RM-42

BB Troubleshooting and Manual Tuning Guide Nokia Customer Care

9241872 (Issue 1) Company Confidential Page 6–23