HP SureStore Optical Jukebox 160ex Service Manual page 90

Table 4-2
Troubleshooting and Diagnostics
Recovery Procedures for Specific Hardware Errors
Hardware Errors Verification/Recovery
Error Code (hex)
1F
Vertical motor error
20
Plunge motor error
28
Mailslot sensor error
4-16
Verification/Recovery Procedures
Occurs when trying to sense a move of the
carriage assembly.
1. If the translate assembly moves -- and
you get a failure -- that means that we're
not reading the encoder strip.
Make sure the encoder strip is inside
sensor.
2. If the translate assembly doesn't move --
it probably is the motor leads, motor, or
24-volt power supply.
a. Make sure the motor leads are
connected to the vertical motor.
b. Check that the cable from the sensor
is connected through the translate
frame to the umbilical cable for the
picker.
c. Change the vertical motor.
d. Change the 24-volt power supply.
3. Change the controller PCA.
1.
2. Change the jukebox controller PCA
3. Change the picker
4. Check the plunge motor leads
1. Run the Mailslot I/O Test to see if
sensors are registering or if they are
intermittent
2. Check the mailslot-to-interposer cable.
3. Change the interposer PCA.
4. Change the mailslot.
Chapter 4