Welbilt MERRYCHEF conneX Service & Repair Manual page 52

5 Service information
E106: Cavity The cavity
overheat reaches 75
above setpoint
UI displays; E106
or above 300
cavity overheat
during a cook
detected. Please cycle.
contact your
Merrychef service
partner to
resolve.
E107: COMs E107 observed
error in the event log
UI displays; E107
UI – IO
Communication
failure. Please
contact your
Merrychef service
partner to
resolve.
E108: UI uSD Missing or
FAILED corrupt uSD
card
UI displays; E108
UI SD card error.
Please contact
your Merrychef
service partner to
resolve.
The PM code is
E109: IO PM
Error incorrect for
the IO board
UI displays; E109
IO PM error.
Please contact
your Merrychef
service partner to
resolve.
E110: IO Incompatible
VERSION firmware
CONFLICT versions on the
IO & UI boards.
UI displays; E110 Can occur on
IO firmware replacement of
error. Please either boards
contact your or during
Merrychef service incorrect
partner to loading of
resolve. firmware.
Merrychef conneX ® service and repair manual
See E102.
o C
Check for possible signs of a product fire in the cavity.
o C
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.
Check the uSD card is correctly in place on the UI board.
Replace uSD card.
Ensure the correct uSD has been inserted to the UI, an easy mistake to make if the
UI is replaced, don't forget to transfer the uSD from the old UI to the new UI.
Loading of new up to date firmware is a must.
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.
Download the up-to-date firmware from 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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