Programming the M8 USB Microcontrollers with a Hi-Lo Programmer
3
Troubleshooting
“Error Identification on hardware!” message
• You may see this message the first time you open Cystart.
This means the COM port setting on Cystart does not
match the port where the RS232 cable is connected. Click
“OK” on the error message. Go to the Setup menu and
select the correct COM port. The Programmer Status
message should change to EXIST.
• The programmer is not powered. Also make sure that the
power supplied to the programmer is 9 VDC 1000-mA
center negative.
• The COM port has been assigned to another application
by the host PC. This problem occurs when the user unplugs
the RS232 cable from another running application without
terminating it. Therefore, when Cystart tries to set up the
serial communication with the programmer, the host PC
responds with a message saying the COM port selected is
not available even though the RS232 cable is physically
connected to the programmer.
“Error at 000000!” message.
• The chip is incorrectly positioned on the Adapter Base’s
socket. The chip should be top justified on the socket, i.e.,
pin 1 of the chip should be placed at the top, left position
on the socket. See Figure 1.
• The chip is not locked on Adapter Base. Pushing the
Adapter Base's lever forward locks the chip on the ZIP
socket. See Figure 1.
• The Adapter Base bottom pins have loose contact with the
programmer socket. Make sure the Adapter Base bottom
pins have good contact with the programmer, and the
Adapter Base sits firmly on the programmer (the
programmer’s lever is pushed down to lock the Adapter
Base in its position).
• The incorrect side of the matrix card is inserted into the
Adapter Base, or the matrix card has loose contacts with
the Adapter Base.
• The security fuse has been blown.
• The chip is corrupted or not blank. Occasionally, the Blank
Check feature fails. The alternative way to check the
PROM is to do Read/Edit. If the part is blank, all bytes
should be 0xFFs.
The part has been programmed successfully, but does
not work
• No .hex file was loaded onto the buffer. This results in the
chip being programmed with 0x00.
• The part being programmed does not match the device
selected in the Device menu.
• An incorrect .hex file has been programmed on the chip.
To verify, use the Read feature to compare the checksums
of the program on the PROM and the file on the buffer.
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