GEAR GP-REAR 4N3825 - Caterpillar

table
TERMINATION DATE
31May2020
PROBLEM
There is a potential issue with an optocoupler chip that is used on multiple printed circuit boards within certain UPS 300, UPS 301, UPS 600, UPS 900, and UPS 1200 Uninterruptible Power Supplies. There is a potential for accelerated degradation and consequential premature failure of the optocoupler chip.
AFFECTED PRODUCT
Model Identification Number
UPS 1200 CZT00133, 135
UPS 300 CNJ00433
CPZ00371-00372
UPS 301 CSY00233, 235
UPS 600 CTX00326, 328-330
UPS 900 CRY00388, 390, 394, 396, 398-402, 404-405
PARTS NEEDED
Qty
Part Number Description
1 2012188 BOARD AS (If needed)
1 2265486 ASSEMBLY PWA (If needed)
1 3731700 BOARD AS (If needed)
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 20% of dealership population. This is an initial order recommendation only, and the ultimate responsibility for ordering the total number of parts needed to satisfy the program lies with the dealer.
ACTION REQUIRED
Circuit boards that have the suspect optocouplers are to be replaced after failure. This service letter applies to printed circuit boards showing the part number and the optocoupler chip with the date code be 0834 through 0911.
For instruction on the removal and installation of the different circuit boards, refer to the Systems Operation manual.
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SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-161280 hrs,
0-240 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 2.0-hour job
Please provide photographs of the printed circuit board/s in the claims report. Provide photos showing the part number, optocoupler chip, and date code. The date code must be clearly visible in the photo. The date code must be 0834 through 0911.
PARTS DISPOSITION
Hold all printed circuit board assemblies for a Parts Return Request (PRR). A Parts Return Request (PRR) will be issued to you through the Send-It-Back process after the claim is submitted. Make sure to list the service letter program number on the packing slip and include the closed work order paperwork.
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.