Hitachi HV-F31F - Manual (Page 4)

C
19. Servicing
Do not attempt to service this product yourself as
opening or removing covers may expose you to
dangerous voltage or other hazards. Refer all
servicing to qualified service personnel.
20. Damage Requiring Service
Unplug this product from the wall outlet and
refer servicing to qualified service personnel
under the following conditions:
a.When the power-supply cord or plug is
damaged.
b.If liquid has been spilled, or objects have fallen
into the product.
c. If the product has been exposed to rain or
water.
d.If the product does not operate normally by
following the operating instructions. Adjust
only those controls that are covered by the
operating instructions as an improper
adjustment of other controls may result in
damage and will often require extensive work
by a qualified technician to restore the product
to its normal operation.
e. If the product has been dropped or damaged in
any way.
f. When the product exhibits a distinct change in
performance-this indicates a need for service.
21. Replacement Parts
When replacement parts are required, be sure the
service technician has used replacement parts
specified by the manufacturer or have the same
characteristics as the original part.
Unauthorized substitutions may result in fire,
electric shock, or other hazards.
22. Safety Check
Upon completion of any service or repairs to this
product, ask the service technician to perform
safety checks to determine that the product is in
proper operating condition.
23. Wall or Ceiling Mounting
The product should be mounted to a wall or
ceiling only as recommended by the
manufacturer.
24. Heat
The product should be situated away from heat
sources such as radiators, heat registers, stoves,
or other products (including amplifiers) that
produce heat
.