2-2 (E)
MAV-70
Fan Motor Unit Replacement
It is recommended to replace the fan motor unit periodically.
The fan motor unit can be replaced during the power on.
m
When replacing the fan motor unit during the power on,
the following precautions should be followed.
.
Be sure to put on the earth-band to establish a ground. If
not, this may cause malfunction.
.
Be careful not to give any shock to HDD.
.
Replace the power supply unit within one minute in
consideration of air cooling effect.
Replacement part
Fan motor assembly : A-8320-041-A
Removal procedures
1.
Make sure that indicator of the fan motor unit to be
replaced flashes.
2.
Remove the two screws indicated
⇐
marks, then grasp
the handle and pull out the fan motor unit.
n
Touching the rotating fan may cause injury.
Replace the fan motor with extra care in a live state of
the unit.
BVTT 3
x
6
Fan motor unit
Handle
Indicator
Installation procedures
1.
Insert a new fan motor unit into the slot and push the
fan motor unit as far as it will go.
2.
Secure the fan motor unit with the two screws.
Confirmation after replacement
1.
Make sure that indicator of a new fan motor unit lights
in green.
2.
Make sure that all fans rotate properly. (Only when
possible)
3.
Open the menu “Service : Device” on the LCD
display, and make sure that “STS” (status) of fan unit
is “Rdy”. (For the menu operations, refer to the
operation manual.)
Setting after replacement
Open the menu “Service : Hours Meter” on the LCD
display, and reset the hours meter. (For the menu opera-
tions, refer to the operation manual.)
>Exit
Service : Device
Device
Fan Unit Upper 1
Fan Unit Upper 2
STS Hours (h)
Rdy 3200
Rdy 2400
>Exit
Service : Hours Meter
Fan Unit Upper 1
Reset
Fan Unit Upper 2 2400h
[2400] h
2-3. Fan Motor Replacement
