28
Service & Parts Manual original Instructions
P
art Number 32Z3871 US
Issue 3
8
9
10
7
6
2
31
4
5
DO NOT REMOVE USB DURING
DOWNLOAD SEQUENCE AS THIS COULD
CORRUPT THE USB DATA.
IMPORTANT:
D
ownloading from a USB will clear all existing
programs.
Only use an empty USB memory stick formatted
as follows:
A) FAT16 to update from UI QTS-XX-
XXXXX-V1.2.16
B) FAT16 or FAT32 to update from UI QTS-XX-
XXXXX-V1.2.17 or later.
Copy the following rmware les to the ROOT
directory of the USB memory stick:
QTS-eX-XXX-VX.X.XX.BIN
SRB-eX_X_X_XXX.BIN
VX-APP-eX.CBR
Autoupd.ATE
For update A) follow all instructions:
For update B) follow the rst 2 instructions:
14.1.24 With the oven switched o , slide the
Merrychef badge (oven front top right) upwards and
insert the USB Memory Stick into the slot (1).
14.1.25 Switch the oven ON (2).
14.1.26 Tap the top right of the screen (3) to bypass
the preheat stage.
14.1.27 Enter the password and select OK to display
the Settings menu, see (4).
14.1.28 Select the USB symbol (5).
14.1.29 Select the ‘FIRMWARE’ USB symbol (6).
14.1.30 Select the ‘QTS’ le (7) with the correct le
version number. Note; a tinted band over a le name
indicates the le is not valid for that oven.
14.1.31 Check the le information shown is correct
before selecting OK (8), if not, select ‘X’ and locate the
correct le.
14.1.32 The CBR le is checked and the download
progress from the USB is displayed (9) followed by the
update status and con rmation screens.
14.1.33 The QTS, SRB and Application Icon les then
download automatically showing the progress, status
and reboot con rmation screens for each le update.
14.1.34 On completion the oven start up screen (10)
is displayed showing the updated rmware versions
followed by the oven pre-heat temperature screen.
Con rming the oven update:
After an oven update the oven copies les back to
the USB memory stick.
14.1.35 Load the les from the USB memory stick to a
computer and open the update (UPDATE.txt) le.
14.1.36 An oven update is con rmed below the oven
serial number with ‘updated’ following the QTS/SRB
rmware and App Icons.
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