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INSTALLATION AND CONFIGURATION
A different fuse is required for each of the two voltage ranges of 110-120 and 220-240 VAC.
Figure 3-3
gives the correct fuse ratings and part numbers.
The fuse included in the HP 9153A/54A
depends upon
where the equipment is to be delivered.
Setti
Vol
R
F
Rati
HP P
Numt
115 VAC
110-125 VAC
2.0 Amp 250 VAC-Normal
Blow
2110-0002
230 VAC
200-240
VAC
1.0 Amp 250 VAC-Normal
Blow
2110-0001
Figure 3-3. Fuses.
ALWAYS DISCONNECT THE DISC DRIVE FROM ANY AC
LINE BEFORE CHANGING FUSES.
INTERFACE (PERSONALITY) MODULE
The HP 9153/54A Disc Drives use a removable HP-IB interface module. The use of modules allows for fu-
ture interfaces to be used.
WRITE PROTECT ERROR ON INITIALIZATION (HP 9153A)
A motor speed check is performed when a flexible disc is inserted into the drive. If the motor speed is out-
side of the allowed tolerance, a Write Protect Error is generated preventing disc drive operation.
If the
drive is operating properly, this indicates a defective flexible disc. Discard the disc.
3-3
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