Technical information

2.4.3 Symptom-to-FRU Index
This Symptom-to-FRU Index lists symptoms and errors and the possible
causes. The most likely cause is listed first. Use this index to help
you decide which FRUs (field replaceable units) you should have available
for servicing.
An 'X' in an error message can be any number.
+------------------------------------------------------------------------+
¦ Symptom/Error ¦ FRU/Action ¦
+------------------------------------+-----------------------------------¦
¦ 54XX ¦ 8516 Touch Display ¦
+------------------------------------+-----------------------------------¦
¦ 0054XXXX ¦ 8516 Touch Display ¦
+------------------------------------+-----------------------------------¦
¦ Cannot use the touch screen ¦ 8516 Touch Display ¦
+------------------------------------+-----------------------------------¦
¦ Cannot use the mouse attached to ¦ 8516 Touch Display ¦
¦ 8516 Touch Display ¦ Mouse ¦
+------------------------------------+-----------------------------------¦
¦ 86XX ¦ 8516 Touch Display ¦
¦ ¦ Mouse ¦
¦ ¦ System unit system board ¦
+------------------------------------+-----------------------------------¦
¦ 0086XXXX ¦ 8516 Touch Display ¦
¦ ¦ Mouse ¦
¦ ¦ System unit system board ¦
+------------------------------------+-----------------------------------¦
¦ Keyboard lock-up ¦ 8516 Touch Display ¦
¦ ¦ Mouse ¦
¦ ¦ System unit system board ¦
+------------------------------------+-----------------------------------¦
¦ ¦ ¦
+------------------------------------------------------------------------+
PS/2 Displays Maintenance Manual
Symptom-to-FRU Index
¦ Copyright IBM Corp. 1993
2.4.3 - 1