Preventive Maintenance and Fault-finding
Instruction Manual: evolution 5000 E5500 Mobile Contribution Encoder
Page 5-9
ST.TM.E10033.3
Module:
M o t h e r b o a r d
PgDn
Desc:
V i d e o I n p u t L o c k
*
Quit
Figure 5.2: Typical Error Message Display
The error message clears after a few seconds. If there is more than one
error, use the
↓↓↓↓
PgDn and
↑↑↑↑
PgUp softkeys to step through the error
screens. Press the Quit softkey to clear the error message immediately;
the front panel Alarm LED will remain lit. To view any current error
messages again, use the
Errors Menu
.
The error messages which may be displayed are listed in Annex C,
together with an indication of the cause of the error and any action the
operator can take to correct the error.
5.4.6
Front Panel Problems
Introduction
Use the following techniques to troubleshoot the MCE when the front panel
display and keys are not functioning as expected. If the front panel Alarm
LED is displayed accompanied by an error message, then troubleshoot in
accordance with the message (see Section 5.4.5, Error Messages).
Self-test diagnostic functions are described in Chapter 3, Operating the
Equipment Locally.
If the actions described below fail to clear the fault symptoms, call a
Service Engineer or contact Customer Services.
Screen is Blank
If the screen is blank, check that the front panel Power LED is lit. If it is
not, refer to Section 5.4.11, Power Supply Problems/LED Unlit.
Area of the Screen is Permanently Blank or Lit
If an area of the screen is suspect (either permanently blank or lit),
perform a self-test using the
LCD Display
option on the
Diagnostics/Front Panel Menu
.
Softkeys or Keypad Keys are Not Functioning
If the front panel Power LED is not lit, refer to Section 5.4.11, Power
Supply Problems/LED Unlit.
If a softkey or keypad key appears not to be functioning, perform a self-
test using the
Keyboard
option on the
Diagnostics/Front Panel Menu
.
Password Does Not Work / Forgotten
In the event that a password used on the equipment does not work or has
been forgotten, contact Customer Services.
Parameters Cannot be Adjusted
If parameters cannot be adjusted on-screen, check the following:
Press to clear the
error message
immediately.
