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If the ENTER key or MENU key is pressed while the password prompt reads 0000, the
EPM Programmer will allow access only to the MASTER TO EPM, LCD CONTRAST,
and MISC INFORMATION menu items. If MISC INFORMATION is viewed, the
password item will not appear.
6.0 LCD BACKLIGHT
The LCD display has a backlight to improve visibility and readability of the display. Press
the BACK LIGHT key to turn on the backlight, and press the BACK LIGHT key again to
turn off the backlight.
NOTE: If an AC adaptor is used to power the EPM Programmer, the backlight will turn on
when the adaptor is plugged in, and will remain on until the AC adaptor is unplugged.
Therefore, even if the EPM Programmer is turned off, the backlight will remain on if the AC
adaptor is plugged in.
7.0 WARNING MESSAGES & TROUBLESHOOTING
The following table describes the various warning messages that can appear on the EPM
Programmer’s display. Some of these messages are explained in previous sections at points in
the procedure where the message may appear. The table is continued on the next page.
WARNING MESSAGES
MESSAGE DESCRIPTION
CONFIG INVALID Will appear in the MISC INFORMATION function if the
configuration data in the EPM Programmer is corrupted. Data
files cannot be edited in this state.
EPM MISSING! Attempted to transfer data to the EPM PORT without an EPM
installed.
EPM SHORTED! The EPM in the EPM PORT is damaged or installed incorrectly.
HARDW FAULT Hardware fault - consult factory.
INCOMPATIBLE VER Attempted to edit a data file that has a parameter version which
is different than the configuration version of the EPM
Programmer.
INTERNAL FAULT! Internal fault - consult factory.
INVALID CFG DATA The LOAD CNFG EEPROM function was attempted with an
EPM that was not a valid Configuration EPM.
INVALID MASTER! Attempted the MASTER TO EPM function, and the EPM in the
MASTER AND CONFIGURATION PORT is blank, corrupted, or
is a Configuration EPM.
INVALID PASSWORD The Password function is active, and the wrong password was
entered when the EPM Programmer was turned on. Refer to
Section 5.2.9 - MISC INFORMATION.
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