Velleman projects K8035 Assembly instructions - Manual (Page 10)

10
When all connections are made, the four LED displays will light up and the Kit number will appear “8 0 3 5”
after which following messages appear :
If an irregularity is found during the self-test, an error code will appear, when GOOD appears then the unit is
ready for use.
The errors 5 & 6 can appears when during the self-test counter pulses are received, this can be reset by
pressing SW4 briefly.
19. Operation
r x. x x Version number
T E S T Self-test is working
G O O D Internal parts are working correctly
Error code Description
Err. 2 Error in the keyboard section.
Err. 3 The switches are in the wrong position. ’DIP SWITCH’
Err. 4 Input A and B are at the same time active
Err. 5 Input A is active during self-test or input A is possibly malfunctioning.
Err. 6 Input B is active during self-test or input B is possibly malfunctioning.
Operation