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How to Clean the Fan
The cooling fan located on the rear panel has a thin foam filter. How
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often the filter must be cleaned depends on the environment in which
the synthesizer operates. As the filter collects dust, the fan speed
increases to maintain airflow (as the fan speed increases, so does the
fan noise). If the filter continues to collect dust after the fan reaches
maximum speed, airflow is reduced and the synthesizer’s internal
temperature increases. If the internal temperature reaches
90°C
the
synthesizer will automatically turn off and the amber STANDBY
LED will turn on. Clean the fan filter as follows:
1. Turn off the synthesizer.
Note
Specifications
2. Remove the ac line cord.
The detachable power cord is the instrument disconnecting device.
It disconnects the mains circuits from the mains supply before other
parts of the instrument. The front panel switch is only a standby
switch and is not a LINE switch.
3. Remove the screws holding the fan cage. See Figure 4-2.
4. Remove the fan cage from the rear panel.
5. Rinse the fan cage, filter, and the
filter retainer in warm water,
then dry.
6. Reverse the removal procedure to
reassemble the synthesizer.
FAN CAGE SCREWS
Figure 4-2. Removing the Fan Filter
Operator’s Check/Routine Maintenance 4-5