Fan Motor - Sony DME-7000 Maintenance Manual

2-5. Replacement of Main Parts

2-5-2. Fan Motor

If the fan stops during normal operation, the alarm display
indicates on the display connected to the control panel. In
this case, replace the fan motor.
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If DME-3000/7000 is used continuously, replace the fan
motors every two years.
When the fan motors are used for a long time period, the
rotation speed getting slow by wearing.
Fan on the Front Side Replacement
The fan motor on the front side is replaced simultaneously
with when the power supply assembly is replaced.
1. Turn the power off.
2. Unplug the power cord on the rear panel side.
3. Remove the power supply assembly.
(Refer to section 2-5-1.)
4. Disconnect the connector CN9 on the RE-104 board.
5. Remove the four screws securing the fan motor and
two fan brackets, then remove the fan motor.
RE-104 board
B3 x 30
CN9
B3 x 30
6. Install a new fan motor in the reverse order of steps 1
through 5.
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When installing the fan motor, take care the direction
of airflow.
2-4 (E)
Fan bracket
Air-flow
direction
Fan
motor
Fan bracket
Spacer
Fans on the Rear Side Replacement
• Locking compound: 7-432-114-11
1. Turn the power off.
2. Unplug the power cord on the rear panel side.
3. Remove the four screws securing the fan cover.
4. Remove the ferrite bead holding the fan motor harness.
5. Disconnect the connector CN301 connected to the
upper fan motor and CN302 connected to the lower
fan motor.
6. Remove the four screws securing the two fan motors,
then remove the fan motors.
CN301
CN302
Ferrite bead
7. Pass the fan motor harness through the notch on the
fan motor.
8. Install the new fan motors on the rear panel with the
four screws.
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When installing the fan motor, take care the direction
of airflow.
9. Apply locking compound to the four screws securing
the fan motors.
Air-flow direction
B4 x 30
B3 x 30
Fan cover