Wolf E Series Information Booklet page 47

Mode 15 - Checking Software Version -
(Not available for 15")
To enter Mode 15 while engaged in diagnostic mode, touch the "+"
keypad of the left front control. When this is done the result will be:
• The bar lights on the left front control will illuminate 15 LEDs and
flash at the rate described in Mode1.
• The bar lights on the left rear control will illuminate four groups of
four LEDs in Hex Decimal form based on the software version
present in the unit and flash at the rate mentioned in Mode1.
(See Figure 4).
PAGE 47