Unitec POS4000/V2 - Manual (Page 103)

POS4000
Document Number: POS4003 95
Document Title: POS4000/V2 Operations Manual
9.2.1 Relay Test
To check a specific relay on the interface board, you should close that relay by
entering the appropriate code at the customer keypad (while the board is in test
mode). That relay will remain on until another selection is made or until the
board is put back into the normal mode of operation. While the relay is on check
continuity between the common and output connector pins of the specific relay
as follows:
RELAY COMMON OUTPUT
Wash Function Line 1
A8 B1
Wash Function Line 2 A8 B2
Wash Function Line 3 A8 B3
Wash Function Line 4 A8 B4
Wash Function Line 5 A8 B5
Wash Function Line 6 A8 B6
Wash Function Line 7 A8 B7
Wash Function Line 8 A8 B8
Re-enter Code Relay A7 A3
Code Accepted/wait A7 A4
Enter Wash Relay A7 A5
Out-of-Service A7 A6
9.2.2 Input Test
To check any of the inputs on the interface board, enter the appropriate code at
the customer keypad. Then apply the appropriate voltage (120VAC or 24AC/DC)
to the input being tested. While the appropriate voltage is on the specific input
being tested, the customer buzzer will beep rapidly, while the voltage is off the
customer buzzer beeps very slowly. If the optional customer display is
connected, the status of the input is displayed.