W A S H S E L E C T I I
Document Number: WS21002 94
Document Title: WSII Operations Manual
Shield, strap to base
mounting bolt in case.
4. If the POS4000 is connected and both units are powered, the RX light on the 485
communications module should be blinking every couple of seconds. If neither of
the lights is blinking, you may have a failed connection or a failed POS4000. A
failed communications module may also be possible.
5. Enter the POS4000 link sub-menu and enable the interface. (See Section 2.16.1.)
6. If you have more than one unit, set the bay address per the instructions in Section
2.16.2. (Car wash bay 1 should be set up as unit 2.)
7. Place the unit in operate mode. At this point, you should see both the RX and the
TX lights on the Wash Select II 485 communications module begin to blink in an
alternating fashion at intervals of a second or less. (If you have more than one
bay, the RX light should stay on longer than the TX light.)
8. Place the unit back into setup mode.
9. Configure the Convey Accounting settings. (See Section 2.16.4.)
10. If you wish to use the POS Names and Prices, refer to Section 2.16.5.
2.16.1 Interface Mode
The interface mode configures the Wash Select II to listen and respond to POS4000
messages or to enable the Multi-Unit link. Once this mode is enabled, the Wash Select II will
respond to messages sent by the POS4000 or a master Wash Select II Unit. It will also allow
codes purchased at the master POS4000 or a master Wash Select II unit to be used at a
secondary Wash Select II at your site. If at any time this feature is disabled or the unit loses
communication, you will get a message on the POS4000 that indicates “Time Out From Unit
“X”. (The “X” denotes the number of the unit, bay or other POS4000 (if there is more than one
POS4000) unit that has lost communication.) To configure the interface mode, follow the
steps below.
1. Using the toggle switch at the top of the CPU board, place the Wash Select II in
setup mode by moving the switch toward the back of the Wash Select II case.
(The CPU board is located on the inside right wall of the Wash Select II case.)
2. Using the (3) key to scroll forward and the (1) key to scroll back, scroll through the
main menu until the “POS4000 Link” option is displayed. Press the (*) key to
enter.
3. Scroll through this menu until the “Interface Mode” option is displayed, and then
press the (*) key to enter. (This should be the first option displayed.)
4. Press the (0) key for “ALONE” (just one Wash Select II), the (1) key for
“WS2/POS” (Wash Select II and POS4000 units) or the (2) key for “Multi-Unit
Link” (multiple Wash Select II units).
Default: 0
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