13
T
T
T
T
Trrrrroub
oub
oub
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ouble Shooting
le Shooting
le Shooting
le Shooting
le Shooting
Ser
Ser
Ser
Ser
Service and Maintenance
vice and Maintenance
vice and Maintenance
vice and Maintenance
vice and Maintenance
The PA-4020B contains no user serviceable parts.
No routine maintenance is required. Inoperative
units should be returned to the factory for ex-
change or repair.
See procedure for return of defective materials.
If the PA-4020B thermal LED remains lit even af-
ter the amplifier has cooled down, a dc offset/load
protection cycle has occurred. Cycle the on/off
switch to reset the device.
One
One
One
One
One Y
Y
Y
Y
Year Standar
ear Standar
ear Standar
ear Standar
ear Standard
dd
dd
W
W
W
W
War
ar
ar
ar
arrrrrranty
anty
anty
anty
anty
IRP professional sound products L.P. warrants
to the original purchaser each product manufac-
tured by it to be free from defect in material and
workmanship for a period of one year from date
of sale to original purchaser, and agrees to rem-
edy any such defect, or to furnish a new part in
exchange for any part of any product of its manu-
facture which, under normal installation, use and
service, discloses such defect provided such part
or product is returned by the original purchaser to
the IRP factory within one year from he date of
sale, with all transportation charges prepaid, and
provided that the IRP examination discloses that
it is defective.
This warranty does not extend to any IRP prod-
uct which has been subject to misuse, neglect,
accident, incorrect wiring by others, improper
installation, or to use in violation of instructions
furnished by IRP, nor to products on which the
serial or identifying numbers have been removed,
defaced or changed, nor to accessories used
therewith not of IRP manufacture.
IRP’s obligation under this warranty as to any
products or parts approved by IRP for remedy or
exchange is limited, at its option, to replacing such
products or parts in kind without charge to the
original purchaser, or to crediting the original
purchaser with the purchase price of the returned
defective products.
This warranty is in lieu of all other warranties, ex-
press or implied, and no representative of IRP or
any other person is authorized to assume for IRP
any other liability in connection with the sales of
its product.
R
R
R
R
Retur
etur
etur
etur
eturn Pr
n Pr
n Pr
n Pr
n Procedur
ocedur
ocedur
ocedur
ocedures
es
es
es
es
Should you encounter any problems with your
IRP product, be sure to contact either your local
authorized IRP dealer or the IRP factory before
taking it anywhere for repairs. We will help you to
identify and locate any specific malfunctions,
possibly avoiding needless shipment, or we will
instruct you as to the speediest method for
authorized repair.
If you must send your IRP product to the factory
for repair, be sure to contact the IRP Sales
Department for a Return Authorization Number.
Include the following information with the returned
product:
1. Your complete name and return shipping
address
(PO box numbers are not acceptable)
2. The model number, serial number and the
Return Authorization Number.
(RA # must appear on the outside of the
shipping container)
3. A complete and detailed description of any
and all problems you experienced with the
product
Never ship the unit in any shipping carton other
than the original or a replacement supplied by
IRP. Ship to us only by a reputable carrier. Be
sure to insure the package for full replacement
value. IRP cannot be held responsible for any
damage incurred during shipment
If you need further assistance please contact us
at the address and communication numbers as
shown on the rear cover of this manual.
