20
655 2M-Z17970 Owners Manual E-Maxl Thermal Brewer
655 2M-Z17970 Owners Manual E-Maxl Thermal Brewer
E-Max T
TM
TEST PROGRAM
Instructions for testing procedures for the following system
components (using the E-Max T Built-In Diagnostic):
Electronic Board Software (Firmware) Revision
Keypad switches
LED’s
Inlet valve, Dump (Brew) valve, By Pass Valve
Water level probe, Temperature probe
A. Entering Test Program Mode:
1. Make sure to have power to the system. Press the 3rd key to enter
the OFF mode.
2. In the Off mode, hold down the 3rd (ON/OFF) and 4th keys
(1st volume key or “E” in “E-Max T”). Hold both keys down for
approximately 3 seconds.
If successful, a message containing the revision of the firmware will
be displayed: (e.g. “MFW275T Rev 1.2”)
3. Press the 3rd key.
B. Check Data Revision
1. The next display contains the revision number of the data
programmed into the EEPROM: (e.g. “Data Rev1.2”).
2. Press the 3rd key to continue.
C. Time
Time is preset
D. Switch Test
- The keys are tested in this stage.
1. Test 1st key by pressing the “BREW” key. Y u will hear a beep, and
the display will change to “Test Switch 2”.
2. Test 2nd key by pressing the “CANCEL” key. You will hear a beep,
and the display will change to “Test Switch 3”
3. Test the 3rd key by pressing the “ON/OFF” key. You will hear a
beep, and the display will change to “Test Switch 4”
4. Continue by pressing the 4th key (1st volume key, or “E” in
“E-Max T’);
5. 5th key (2nd volume key, or “a” in “E-Max T”); and,
6. 6th key (3rd volume key, or “T” in “E-Max T”)
Except for Switch 1, if a key press is not detected within five
seconds, the “Switch Error” message Will be displayed followed by
two beeps. For Switch 1, the time limit is 30 seconds.
If an error occurs when the correct key is pressed, the keypad has
failed the test.
Remember: Exiting Test
Program Mode:
To exit the Test Program, press
the 2nd key (Cancel) at any
time, except during the key
switch tests below. Alternately,
complete the full test and the
E-Max T will return to the OFF
mode.
Note:
each key press should
be followed by an audible
beep.
Note: Bloomfield
recommends that, should
the keypad fail a test, the
test be carefully repeated at
least three times to verify the
keypad failure.
