20
Limited 5-Year Warranty
The warranty service on the Best Power LI720U-B71, LI720E-B72, LI1420U-B73,
and LI1420E-B74 UPS is element exchange. If the UPS becomes inoperative, the
inoperative module will be replaced. The process for obtaining a replacement mod-
ule varies by country. Under no conditions are IBM Customer Engineers authorized
to remove the covers. The UPSs for this program are warranted by Best Power for
five years in the US, Canada, AP (Asia, Pacific), and LAD (Latin America).
Warranty starts when the UPS is delivered to the customer. The core
is on page 28 of this manual. Products covered under this
Limited five-year warranty are:
Unit Identification Numbers
The label in the front left corner of the unit shows these identification numbers;
MN: The IBM Machine Type/Model Number
PN: The IBM UPS Part Number
SN: The IBM UPS Serial Number
Customers who call for service may be asked for their unit’s IBM UPS Serial
Number.
Customer Process for Service
UNITED STATES (US)
1. The customer calls 1-800-IBMSERV (IBM Call Management Center).
2. The customer indicates that the UPS is defective.
3. The Call Management Center will confirm that the unit is listed in the cus-
tomer profile and notify Best Power.
4. Best Power will promptly call the customer and ask for the serial number.
Best Power will also attempt to determine the nature of the problem. The
problem may be related to improper operation as opposed to a defect.
5. If the unit requires replacement, Best Power will send a replacement unit via
air express.
6. The customer is expected to install the replacement unit and return the
defective unit to Best Power. The packaging material used for the replace-
ment unit should be used for this purpose.
7. The shipping costs associated with returning the defective unit are the
responsibility of the customer.
E
N
G
L
I
S
H
Model
IBM Part Number
Best Power Part Number
Coverage Area
B71
44H5786
LI720U-B71
US, Canada, AP, LAD
B72
44H5787
LI720E-B72
US, Canada, AP, LAD
B73
44H5788
LI1420U-B73
US, Canada, AP, LAD
6614
6613
B74
44H6611
44H6610
44H5789
LIXRBP-6614
LIXRUGK-6613
LI1420E-B74
US, Canada, AP, LAD
US, Canada, AP, LAD
US, Canada, AP, LAD