Welbilt MERRYCHEF conneX Service & Repair Manual page 114

8 Annual PM check procedure
Task B
8. Switch the oven on and
record the Serial Number.
Check the firmware is correct,
update if older version is
observed (select the 'cog' to
enter settings).
12. Check the "Event Log"
for details of any logged
appliance errors. Refer to
the fault-finding section 5.3
to reference any errors
logged.
Note: ensure a bowl of cold water is in the cavity for the
microwave current draw checks.
16. Exit out of visual view, place a bowl with 275 ml of cold
water in the cavity and select tests / Microwave Leakage.
While the test is running hold the test probe at right
angles to the oven, ensuring the sensor is about 50mm
away from the surface.
Test all around the front and rear of the oven, refer to
section 5.6 for further details. Level must be 5mW/cm2
or lower & record.
17. Finally, remove the bowl of water from inside the cavity and
select the recommission test (if the recommission test is greyed
out, it means the oven is above the desired temperature and the
function is disabled). Follow the onscreen instructions and
record result.
18. Come out of the service and
setting modes. Pre-heat the
oven and cook one item of food
from the operators' menu.
Merrychef conneX™ service and repair manual
9. Enter the password
MANAGER to access
the settings menu.
Use the displayed
oven serial number if
this is invalid.
13. Select the oven
statistics and reference
the service check sheet for
recommended
replacements, advise the
customer on actions
required.
10. Check the date, time,
and the time zone, correct
if necessary. Refer to the
Installation and User
manual for details on the
procedure.
14. Select the diagnostic
view to perform
individual component
checks.
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11. Enter the service settings,
password SERVICE to access
the service screen. Use the
displayed oven serial number
if this is invalid.
15. In diagnostic view
select/operate each
component to check
operation, as detailed in
the visual view section 5.2.
Check all speed ranges of
the fans.
Record microwave
(individual & combined)
current draws.
Record displayed Voltage.
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