Hitachi RWM-(H)FSN3E, Руководство по обслуживанию

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11 Servicing
SMGB0070 rev. 1 - 08/2011
263
11

Removing electrical components
Removing Electrical Box
Remove the pipe cover following Removing pipe cover , see
on page 395 .
Remove three (3) fixing screws and remove the upper co -
ver.
Remove the electrical box cover.
Remove one (1) fixing screw and remove the terminal co -
ver.
Disconnect all the wiring connected to the control PCB.
Remove two (2) screws which fix the electrical box.
Pull up and remove the electrical box.
No. Part
1 Electrical box cover
2 Two screws
Removing Display PCB
Remove the pipe cover following Removing pipe cover , see
on page 395 .
Remove one (1) fixing screw and remove the terminal co -
ver.
Disconnect all the wiring connected to the display PCB.
Hold the upper part of four (4) holders with long nose pliers
and remove the display PCB.
No. Part
1 Display PCB (PWB2)
2 Terminal cover
3 Long nose pliers
4 Display PCB
5 Holder
1
2
3
4
5
N O T E
DO NOT touch electrical components on the PCB. Pay attention not to bend or apply much force onto PCB in order
to avoid PCB failure.
N O T E
• To connect wiring at reassembling ensure that the terminal numbers and wiring mark band codes are matched.
Incorrect wiring may result in malfunction or damage of electrical components.
• Different dip switch setting shall be applied for each model when the electrical box is replaced; See chapter 8
Troubleshooting
.
• Pay attention not to clamp any wiring between plates or electrical components when closing electrical box
cover or front cover at reassembling.