Ovention MiSA-a12, Инструкция по установке, эксплуатации и обслуживанию

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Form No. OVMISAM-0321
26
To avoid serious injury or death, read all
IMPORTANT SAFETY INFORMATION
at the front of this manual.
IMPORTANT NOTE
Many of the service procedures in this section require removal
of insulation to access the parts. All illustrations are shown with
insulation removed for clarity.
Thermal Disc
Testing/Troubleshooting
WARNING! Completely shut down and unplug oven
before proceeding. Refer to “Shutdown” procedure.
• Verify the thermal disc has continuity between both leads
when the mounted surface temperature is below 200°F
(93°C).
• If the disc will not close when the temperature is below
200°F, replace the thermal disc.
Replacement Procedure
1. Completely shut down and unplug the oven. Refer to the
“Shutdown” procedure in the OPERATION section.
2. Remove the top panel and right side panel. Refer to the
appropriate procedures in this section.
3. Disconnect the lead wires from the thermal disc.
4. Remove two (2) Philips screws that secure the thermal disc
to the magnetron, and remove the thermal disc.
5. Install the new thermal disc by reversing the steps above.
Philips Screw
Thermal Disc
Magnetron
Magnetron Cooling Fan
Testing/Troubleshooting
NOTE: Magnetron cooling fans are on only when magnetrons
are on and for two minutes after magnetrons turn off.
• Verify that supply voltage of 24 VDC is going into the fan. If
there is voltage and the fan is not running, replace the fan.
Replacement Procedure
1. Completely shut down and unplug the oven. Refer to the
“Shutdown” procedure in the OPERATION section.
2. Remove the top panel. Refer to the “Removing the Top
Panel” procedure in this section.
3. Disconnect the fan lead wires from the lever nuts.
4. Remove the two Philips-head fan mounting screws that
secure the fan to the stirrer motor bracket.
5. Carefully lift the fan with the attached magnetron air diverter
up and out of the oven.
6. Remove the magnetron air diverter from the old fan, and
install on the new fan.
7. Install the new fan with the attached magnetron air diverter
by reversing the steps above.
Philips Screw
Magnetron Cooling Fan
Magnetron Air
Diverter
Stirrer
Motor
Bracket
Stirrer
Motor
Bracket
SERVICE PROCEDURES