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5 Service information
Commissioning the oven after service/repair/testing
Before finishing a service call, recheck the following points:
1.
Run the recommission tests to ensure the oven is functioning correctly and the touch screen is working.
2.
Microwave emissions are below the permissible limit of 5mW/cm², ideally <1mW/cm
3.
The power output of the oven is checked in accordance with the procedure.
4.
Earth leakage is within permissible limits.
5.
The oven has a correct air gap of 50 mm / 2 inches above. Air flow should not be restricted at the front, top or rear of
the oven.
6.
Complete the service report.
Complete the following checks after the oven has been serviced/repaired/tested before connecting to the mains
electricity power supply:
1.
All internal electrical connections are correct (see "Electrical circuit diagrams" in section 7).
2.
All wiring insulation is correct and is not touching any sharp edges.
3.
All grounding connections are electrically and mechanically secure.
4.
Any removed heat tape or cable ties are refitted/replaced.
5.
All door safety interlocks are secure and mechanically sound.
6.
The door activates all the door interlock switches and in the correct order.
7.
The door operation is smooth.
8.
The door seal is in good condition and seals against the cavity.
9.
The casing is securely refitted with no trapped wires and all the fixing bolts are refitted.
Service Settings : Temperature Calibration Check / Recalibration
Tools required:
1 x Calibrated digital thermometer
1 x Temperature probe on a heat sink
1.
Place temperature probe in the centre of cavity
2.
Ensure the oven is in 'Full Serve Mode'
3.
Select 250
o
C oven temperature. If there is no preheat temp programmed appropriate for the oven test, a new
temperature must be programmed into a spare location (250°C).
4.
Wait for the oven to reach the preheat temperature of 250
5.
Once the preheat temperature has been achieved, press the chef's hat
'recipe creation' on the easy-touch screen.
6.
Select 10 minutes run time, 100% convection fan and 0% microwave.
7.
Press the play button at the bottom of the screen
8.
When the timer has 30 seconds remaining press the temp icon the temperature the oven sensor thinks the cavity
has reached will be displayed prefixed with *
9.
Compare the displayed temperature with the actual temperature shown on the digital thermometer. Recalibration will
be required, and should be carried out swiftly, if the readings are outside the following guidelines;
Model
®
conneX
12 & 16
Merrychef conneX
®
service and repair manual
Preheat
Display
250°C
*255°C
2
C.
o
Thermometer
251°C or higher
244°C or lower
245°C to 250°C
Back to contents >
.
Action
Recalibrate
Recalibrate
No action required
63
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