7
Maintenance and check up
7-2
Replacement of the fuse
（
Diaphragm control box PBX
）
Take out
Spare fuse
Inlet with
fuse
Fuse holder
-50-
7-1
Cleaning and care of the product
(1) Turn the power switch OFF and remove the power
plug off the AC outlet before maintenance work.
(2) Use a moistened and well wriggled soft cloth for
cleaning. Use milt detergent for stubborn dirt and
completely wipe remaining detergent after cleaning.
Warning
Caution
Use a correct method and items for
cleaning or caring the product.
When cleaning or maintaining the product, never
splash water to the exterior or the inside directly,
do not put any foreign materials and never use the
cleanser, thinner, oil, kerosene, acid, and equivalent.
Otherwise, the user may suffer electric shock or
damage to the product.
Never attempt to disassembly the
product.
The unit contains parts with high voltage applied or
may become hot, and disassembly may cause an
electrical shock or an injury.
(1) Stop the NVC-3000 and remove the power cord from the
fused inlet.
(2) Hold the fuse holder and pull
it out.
The fuse set in the back is currently used while
the one close to the front is
the spare.
(3) Remove the spare fuse in the front and replace it
with the one in the back.
※
Use the specified fuse only.
Fuses not specified may not blow even when
overcurrent should low and may cause a fire or other
accidents.
※
If the replaced fuse blows soon, immediately stop
using the unit and contact your dealer or the nearest
service center.
Use the specified fuse only.
Fuses not specified may not blow even when
overcurrent should flow and may cause a fire or
other accidents.
Caution
Code No.
Names
Qty
Remarks
241040
Fuse for SB-1100CE
2
6.3A time lag fuse
