getting the 4x20 LCD to work??

[TST955]

HI I have 1616+ ISTK
Got it communicating with the PC, OK, but cannot get the LCD to work. When trying to run the Clock or temperature demo program, all I get is the 2nd line and the 4th line on the LCD showing as solid blocks, I am sure it is a simple thing I am doing wrong. Can anyone advise !!

[support]

Try power cycle the PLC with the LCD plugged in.  If it still doesn't work then you may have a damaged LCD or a bad LCD interface. Please contact the dealer or if you have purchased from us, contact sales@tri-plc.com to discuss about the cause of the problem.

Remember, the LCD is NOT hot-pluggable. So never plug/unplug the LCD into the PLC with the power on as that can damage the LCD display or the LCD driver interface on the PLC.

[TST955]

Power cycle gives same result. Will try new interface cable first. Thanks

[AlbertMartinez]

Check and make sure your PLC is NOT in PAUSE mode.

[TST955]

OK thanks, how can I tell if the PLC is in pause mode, it seems to be running OK - is there a command to use for this

[AlbertMartinez]

Make sure DIP-Switch #4 is not set to ON position. If DIP-Switch #4 is ON, it will set PLC to PAUSE mode. If the PAUSE red LED is lit/ON, then the PLC is in PAUSE mode. The PAUSE red LED is located near the PLC DC power connector.

Sincerely;

Albert Martinez

[TST955]

Thanks very much, I'll check this out and see what happens
 

[support]

Your LCD could be faulty. If so, contact the dealer or us for a replacement.