DOWEL 9X8979 - Caterpillar

TEBE0039-00
30Jul2013
D-287
O-285
Before/After
PRODUCT SUPPORT PROGRAM FOR UPGRADING THE DIGIT AND GDET FIRMWARE ON CERTAIN UPSB505 DOUBLE CONVERSION UNINTERRUPTIBLE POWER SUPPLIES
4480 PS43971
This Program must be administered either before or after failure.In either case the decision whether to apply the Program is made by the dealer. When reporting the repair, use "PS43971" as the Part Numberand "7755" as the Group Number. If administered before failure, use "56" as the Warranty Claim Description Code and "T" as the SIMS Description code.If administered after failure, use "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.
TERMINATION DATE
31Jul2015
PROBLEM
The existing DIGIT and GDET Firmware has several faults on certain UPSB505 Double Conversion Uninterruptible Power Supplies. If the existing firmware is not upgraded it can cause the following: 1. Incoherence between UPS time in parallel installation, 2. PFC current regulation fault not reset automatically, 3. PFC FAN no detected in maintenance mode, 4. Detection of "chopper divergent current fault" after starting charging, 5. Battery wear ratio not functioning, 6. Dry contact "general alarm" and HMI red led not activated with internal CAN bus fault.
AFFECTED PRODUCT
Model Identification Number
UPSB505 YTM00100-00124, 126-134
PARTS NEEDED
Qty
Part Number Description
1 FILE1 34020880-AQ
In order to allow equitable parts availability to all participating dealers, please limit your initial parts order to not exceed 23% 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
Upgrade the DIGIT and GDET Firmware. Refer to the attached Rework Procedure. Firmware 34020880-AQ is available in SIS Web. Refer to SIS/Downloads/Double Conversion UPS Software.
SERVICE CLAIM ALLOWANCES
Product smu/age whichever comes first Caterpillar Dealer Suggested Customer Suggested
Parts % Labor Hrs% Parts % Labor Hrs% Parts % Labor Hrs%
0-90000 hrs,
0-120 mo 100.0% 100.0% 0.0% 0.0% 0.0% 0.0%
This is a 0.5-hour job
PARTS DISPOSITION
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Rework Procedure
Objective:
Firmware upgrades to DIGIT and GDET boards on the UPSB505.
New feature:
- 440V inverter output voltage
- New UPS tuner command to test Battery breaker coil trip
Fault corrections:
- See Appendix for list of Fault Corrections
Functionality improvements:
- Output capacitor fault could be detected on specific load. A new personalization parameter was added titled "Inverter output capacitor control" to disable the control.
- Software improvements on "Internal CAN communication fault"
Resolution task:
- New firmware AQ is developed to correct and implant the above items.
o Hardware PCBA DIGIT (365-9798) to NT11 Index EQ pre loaded
o Hardware PCBA GDET (365-9799) to NT12 Index CJ pre loaded
- UPS Tuner to be upgraded to 3.4.1.11 version
- Network Management Card firmware must be 5.1.3 revision or higher
Instructions:
Before going on site, install and register UPS Tuner to 3.4.1.11 version from PowerNet (https://engines.cat.com/ep/products/ups/conversion/tuner)
Also, download the package index AQ from SISweb under the Downloads section under Double Conversion UPS Software.
Firmware AQ is not compatible with firmware
Firmware AQ is compatible with firmware AP in