Operation
If an irregularity is found during the self-test, an error code will appear, when GOOD appears then the unit is ready for use.
Error
code
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.
When all connections are made, the four LED displays will light up and the
module type will appear "107" after which following messages appear :
r x. x x
T E S T
G O O D
Description
Version number
Self-test is working
Internal parts are working correctly
The errors 5 & 6 can appears when during
the self-test counter pulses are received,
this can be reset by pressing SW4 briefly.
Operation
5