into the slot and rotate the handle towards the disk unit to latch it into the slot. The light above the
device location will go off and remain off for a few seconds when the device contacts the
backplane. Then it should go on and remain on.
Attention: If you install the device when the light is not flashing, data may be lost, the disk unit
may be damaged, or the backplane may be damaged.
f. Replace the covers that were removed during this procedure and return to the procedure that sent
you here.
This
ends the procedure.
Dedicated maintenance - Remove and replace
1. To remove a disk unit using dedicated maintenance perform the following:
a. Power off the system. See Power on/off the system and logical partitions.
b. Disconnect the power cord.
c. To remove the disk unit, pinch the two surfaces of the latching mechanism together and pull the
handle towards you to release the disk unit from the slot.
d. Remove the unit. See Figure 1. Disk unit removal, Models 830/SB2 and 840/SB3 (concurrent) (See
page 63) above.
2.
Are you finished with the repair?
v No: Continue with the next step.
v Yes: Replace the covers that were removed during this procedure and return to the procedure that
sent you here.
This
ends the procedure.
3.
To install a disk unit using dedicated maintenance perform the following:
a. Power off the system. See Power on/off the system and logical partitions.
b. Disconnect the power cord.
c. Put the disk unit part way into the desired slot and rotate the handle of the disk unit towards you.
d. Push the disk unit completely into the slot and rotate the handle towards the disk unit to latch it into
the slot.
e. Replace the covers that were removed during this procedure and return to the procedure that sent
you here.
This ends the procedure.
Models 830/SB2 with FC 9074 - System unit control panel (NB1)
For use by authorized service providers.
Use this procedure to remove or replace the control panel - NB1 on Models 830/SB2 with FC 9074.
Attention: The control panel including the processor capacity card and interactive cards are sensitive to
electrostatic discharge (see Work with electrostatic discharge-sensitive parts).
CAUTION:
The
circuit card contains lead solder. To avoid the release of lead (Pb) into the environment, do not
burn. Discard the circuit card as instructed by local regulations. (RSFTC234)
To remove or replace the control panel (NB1):
1. Power off the system. See Power on/off the system and logical partitions.
2. Disconnect the ac power cord from the system unit.
3. Open the front cover. See Models 830/SB2 with FC 9074 - Covers.
4. Pull on the two side fasteners to release the control panel assembly.
5. Slide the panel partially out of the frame.
6. Disconnect the cables that are attached to backside of the control panel.
64 Hardware (Remove and Replace; Part Locations and Listings)
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