Merrychef conneX
®
service and repair manual
E106: Cavity
overheat.
UI displays: E106
cavity overheat
detected. Please
contact your
Merrychef service
partner to
resolve.
The cavity
reaches 75
o
C
above setpoint
or above 300
o
C
during a cook
cycle.
See E102.
Check for possible signs of a product fire in. the cavity.
E107: Comm
Error.
UI displays; E107
UI – IO
Communication
failure. Please
contact your
Merrychef service
partner to
resolve.
E107 observed
in the event log
Ensure cable connections are secure, especially the X523 connected cable between
the IO and the UI boards.
Replace the Communication cable between the UI and IO boards as required.
E108: UI
Micro-SD
FAILED.
UI displays; E108
UI SD card error.
Please contact
your Merrychef
service partner to
resolve.
Missing or
corrupt
Micro-SD
card.
Check the Micro-SD card is correctly in place on the UI
board. Replace Micro-SD card.
Ensure the correct Micro-SD has been inserted to the UI, an easy mistake to make
if the UI is replaced, don’t forget to transfer the Micro-SD from the old UI to the
new UI. Loading of new up to date firmware is a must.
E109: IO PM
Error.
UI displays; E109
IO PM error.
Please contact
your Merrychef
service partner to
resolve.
The PM code is
incorrect for
the IO board.
Check the PM chip is correctly in place on the IO board.
Replace PM chip.
The UI has a dedicated part number on the PM chip, which is unique for UI board.
Ensure the correct PM chip has been inserted to the IO board, an easy mistake to if
the IO board is replaced, don’t forget to transfer the PM from the old IO to the new
Io board if replaced.
Loading of new up to date firmware is a must.
E110: IO
VERSION
CONFLICT
UI displays; E110
IO firmware
error. Please
contact your
Merrychef service
partner to
resolve.
Incompatible
firmware
versions on the
IO & UI boards.
Can occur on
replacement of
either boards
or during
incorrect
loading of
firmware.
Download the up-to-date firmware from https://www.merrycheftechnical.com
Load the latest firmware on to the oven. Do not switch off or interrupt until the
loading process of all files has completed.
In the event of a continued issue, replace both the IO PM and reload the firmware.
Ensure there are no microwave leaks present around the control boards.
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