CONE-BEARING 3D3715 - Caterpillar

REBE6221-00
30Jun2010
U-224
A-177
O-199
Priority
PRODUCT IMPROVEMENT PROGRAM FOR INSPECTING AND POSSIBLY REPLACING PRINTED CIRCUIT BOARDS ON CERTAIN FLYWHEEL UPS 250, UPS 300, UPS 301, UPS 500, UPS 600, AND UPS 900 UNINTERRUPTIBLE POWER SUPPLIES
1418 PI31758
This Program must be administered as soon as possible.When reporting the repair, use "PI31758" as the Part Number and "7751" as the Group Number, "56" as the Warranty Claim Description Codeand "T" as the SIMS Description code. Exception: If the repair is done after failure, use "PI31758" as the Part Number, "7751" as the Group Number,"96" as the Warranty Claim Description Code, and "Z" as the SIMS Description Code.
The information supplied in this service letter may not be valid after the termination date of this program.Do not perform the work outlined in this Service Letter after the termination date without first contacting your Caterpillar product analyst.
COMPLETION DATE
TERMINATION DATE
31Dec2010 30Jun2011
PROBLEM
There is a potential issue with an optocoupler chip that is used on multiple PC Boards within certain UPS 250, UPS 300, UPS 301, UPS 500, UPS 600, and UPS 900 Uninterupptible Power Supplies. There is a potential for accelerated degradation and consequential premature failure of the optocoupler chip.
AFFECTED PRODUCT
Model Identification Number
*******Group 1*******
UPS 300 CNJ00433-00434
CPZ00372
UPS 301 CSY00233
UPS 900 CRY00388, 390, 395, 397
*******Group 2*******
UPS 301 CSY00235
UPS 600 CTX00326
UPS 900 CRY00394
*******Group 3*******
UPS 250 CNM00241
UPS 600 CTX00330
UPS 900 CRY00393, 396, 398-400
*******Group 4*******
UPS 900 CRY00401, 403
*******Group 5*******
UPS 301 CSY00234
UPS 600 CTX00329
*******Group 6*******
UPS 900 CRY00402
*******Group 7*******
UPS 250 APZ00340
*******Group 8*******
UPS 900 CRY00405
*******Group 9*******
UPS 500 CSE00155
*******Group 10*******
UPS 900 CRY00404
PARTS NEEDED
No parts needed for this program
ACTION REQUIRED
The suspected PC boards should be inspected and replaced if the date code on the chip is between 0834 and 0911.
Caterpillar will coordinate with the UPS manufacturer who will be performing the inspection, replacement, and the return of the old components. If the unit is not in operation, the PC board replacement should occur at startup. If the unit is in operation a time should be coordinated with the customer to allow for PC board replacement.
Send an email to EP_Customer_Service to schedule this job. Please reference this service letter and CPI # 232794. Provide unit model, serial number, unit location, and proposed rework date.
OWNER NOTIFICATION
U.S. and Canadian owners will receive the attached Owner Notification.
SERVICE CLAIM ALLOWANCES
Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
*******Group 1*******
100% 100% 0% 0% 0% 0%
This is a 1.0-hour job for Group 1
Dealer will facilitate rework by scheduling the UPS inspection with the customer. The UPS manufacturer will be performing this job at no cost to the dealer. Dealer will also be present for the product inspection; the labor hours on this job will depend on how many boards needs replacement. An additional 1.0 hour will be reimbursed per replaced board. Caterpillar will reimburse the dealer for up to a maximum of 1 hour