LVPS Fuses
4-52 72A-1230 Rev. F
July 22, 2005
LVPS Fuses
The fuses for the Low Voltage Power Supply Board (LVPS) are located on
that board. To access the board, remove the triangular metal plate from the left
rear corner of the M4100. The Low Voltage Power Supply Board and
Heater/Temperature Board Assembly (Figure 4.25) is then removed after
disconnecting the cable from the top of the board.
Figure 4.25 Heater & LVPS Assembly as Removed from 4100
Check the fuses visually, and if necessary with an Ohmmeter. Replace any
fuse that has blown, and monitor system performance for recurrence of the
symptom.
W46 Cable
Low Voltage Power
250V 4A Fuse
(2 250V, 5A fuses
on other side)
Heater/Temperature
Supply Board
Controller Board
W45 Cable
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