Operating instructions

PROGRAMMING - DIAGNOSTIC TEST
This is a built-in test of the
following system components:
a ) V e ri fi ca ti on o f Fi rm wa re/
EEPROM data
b) Keypad switches / interlock
switches
c) Volume, brew start/stop,
po wer and satelli te LEDs
d) Inlet valve, left and right
dump valves, left and right
bypass valves, solenoid
valves (optional)
e) Heater
f) Water level probe,
temperature probe
If a key or toggle switch is not
detected within 5 seconds, then
the "Switch Error" message will
be displayed followed by 2
beeps. If an error occurred with
the correct key pressed, the
control board has failed the test.
DUAL SATELLITE SYSTEM BUILT-IN DIAGNOSTIC TEST
Entering Test Mode:
1. Press POWER key OFF .
2. Press and hold the 3rd (Left 1-1/2 GAL) key and the 4th
(Right 1/2 GAL) key, then POWER key ON.
3. At the sound of the beep, release the keys.
If successful, a message containing the revision of the
firmware will be on the di splay. (e.g. "WW 291 Rev. 3.1)
Verify that the revision of the software is correct, and then
press the POWER key. Each key press should be followed
by an au di ble beep.
Check Date Revision:
The next display contains the revision number of the data
programmed into the EEPROM. (e.g. "Data Rev 3.0"). Ensure
that the correct version has been loaded into the EEPROM, then
press POWER key to continue.
Switch Test:
1. Press the left 1/2 GAL key. You will hear a beep, and the
display will change to: "Test Switch 2".
2. Press the left 1 GAL key. You will hear a beep, and the
display will change to: "Test Switch 3".
3. Continue testing keys in order:
Test Switch 1 Left 1/2 GAL key
Test Switch 2 Left 1 GAL key
Test Switch 3 Left 1-1/2 GAL key
Test Switch 4 Right 1/2 GAL key
Test Switch 5 Right GAL key
Test Switch 6 Right 1-1/2 GAL key
Test Switch 7 Left BREW START key
Test Switch 8 Left BREW STOP key
Test Switch 9 POWER key
Test Switch 10 Right BREW START key
Test Switch 11 Right BREW STOP key
4. Check the safety interlock switches (if equipped):
Toggle the left interlock by removing and reinstalling the left
brew chamber when the controller displays "L Interlock".
Check the right interlock in the same way when the controller
displays "R Interlock".
16
675 p/ n 74346 SS-2 Programming Manual