Field Service Bulletin FSB-0209-BB-06
Contents
1. Date February 24 2009 To All EFJohnson customers dealers and employees Subject 3e 523 F2 and 3e 523S 1 low temperature operation defect A number of 3e 523 F2 and 3e 523S 1 devices produced between September 8 2008 and October 10 2008 were built with several incorrect components on an internal circuit board The serial numbers of the products which may carry this defect are as follows 3e 523 F2 C523F2083500500 C523F2083500528 C523F2083500560 C523F2083800661 C523F2083800657 C523F2083500501 C523F2083500529 C523F 2083500618 C523F2083800662 C523F 2083800672 C523F2083500502 C523F2083500530 C523F 2083500622 C523F2083800663 C523F2083800675 C523F 2083500503 C523F2083500531 C523F 2083500623 C523F2083800664 C523F2083800678 C523F2083500504 C523F2083500532 C523F2083500625 C523F2083800665 C523F2083800679 C523F2083500505 C523F2083500534 C523F2083500626 C523F2083800666 C523F2083800680 C523F2083500506 C523F2083500536 C523F2083500627 C523F2083800667 C523F 2083500543 C523F2083500507 C523F2083500537 C523F 2083500630 C523F 2083800668 C523F2083500551 C523F2083500508 C523F2083500538 C523F 2083500632 C523F2083800670 C523F2083500561 C523F2083500509 C523F2083500539 C523F2083500638 C523F2083800673 C523F2083500562 C523F 2083500510 C523F2083500540 C523F 2083500639 C523F2083800674 C523F 2083500573 C523F 208350051 1 C523F2083500541 C523F2083500642 C523F20838006762. C523F2083500579 C523F 2083500512 C523F2083500542 C523F 2083500643 C523F2083800677 C523F 2083500628 C523F 2083500513 C523F2083500545 C523F2083500644 C523F2083500646 C523F 2083500535 C523F2083500514 C523F2083500546 C523F 2083500645 C523F2083500648 C523F2083500544 C523F2083500515 C523F2083500547 C523F2083800650 C523F2083500649 C523F2083500552 C523F2083500516 C523F2083500548 C523F2083800651 C523F2083500519 C523F2083500568 C523F2083500517 C523F2083500550 C523F2083800652 C523F2083500526 C523F2083500612 C523F 2083500518 C523F2083500553 C523F 2083800653 C523F2083500533 C523F2083800681 C523F2083500520 C523F2083500554 C523F2083800654 C523F2083500565 C523F 2083800683 C523F 2083500522 C523F2083500555 C523F2083800655 C523F2083500569 C523F2083800684 C523F 2083500523 C523F2083500556 C523F2083800656 C523F2083500570 C523F2083500524 C523F2083500557 C523F2083800658 C523F2083500571 C523F 2083500525 C523F2083500558 C523F2083800659 C523F2083500572 C523F2083500527 C523F2083500559 C523F2083800660 C523F2083500637 For Questions regarding this Service Bulletin please contact EFJohnson at 1 800 328 3911 press 3 EFJ ohnson Technologies 1440 Corporate Drive Irving TX 75038 2401 800 328 3911 972 819 0700 fax 972 819 0639 www EFJ ohnsonTechnologies com Page of 3 3e 523S 1 C52351083500200 C5235 1083800231 C5235 1083800251 C52351083500201 C52351083800232 C5235108380025
3. 2 C52351083500203 C52351083800233 C52351083800253 C523S51083500204 C5235 1083800234 C5235 1083800254 C52351083500206 C52351083800235 C52351083800255 C523S51083500207 C5235 1083800236 C5235 1083800256 C523S51083500208 C52351083800221 C523S51083800257 C52351083500210 C52351083800222 C52351083800258 C523S5108350021 1 C5235 1083800223 C52351083800259 C52351083500212 C5235 1083800224 C52351083800260 C52351083500213 C52351083800225 C52351083800261 C52351083500202 C523S1083800237 C52351083800262 C52351083500205 C52351083800238 C52351083800263 C523S51083500214 C5235 1083800239 C5235 1083800264 C52351083500215 C52351083800240 C52351083500216 C52351083800241 C523S51083500217 C52351083800242 C52351083500218 C52351083800243 C52351083500219 C5235 1083800244 C52351083800220 C52351083800245 C52351083800226 C5235 1083800246 C523S51083800227 C5235 1083800247 C52351083800228 C52351083500209 C523S51083800229 C52351083800248 C52351083800230 C52351083800249 This defect affects the operation of these devices only at low temperatures The threshold at which the problem may appear could be as high as 12 degrees C but typically closer to 0 degrees C During low temperature operation the user should expect a 3e 523 F2 with this defect to draw much higher than the specified maximum power listed in the user s manual Depending on both the actual ambient temperature and the details of the system in which the user has placed the 3e 523 F2 OEM module one of several
4. 328 3911 press 3 EFJ ohnson Technologies 1440 Corporate Drive Irving TX 75038 2401 800 328 3911 972 819 0700 fax 972 819 0639 www EFJ ohnsonTechnologies com Page 3 of 3
5. scenarios may occur e A fuse or circuit breaker in the user s system may be tripped For Questions regarding this Service Bulletin please contact EFJohnson at 1 800 328 3911 press 3 EFJ ohnson Technologies 1440 Corporate Drive Irving TX 75038 2401 800 328 3911 972 819 0700 fax 972 819 0639 www EFJ ohnsonTechnologies com Page 2 of 3 oe Val By ee y w RN TN T Field Service Bulletin e The user s power supply may periodically brown out or fold back resulting in the 3e 523 F2 rebooting and communication through the device being periodically lost Other devices in the user s system may also be affected if they are operated from the same power supply e If the power drawn by the 3e 523 F2 device is not externally limited in some way such as a circuit breaker or current limiting power supply several components inside the device may overheat and the device may be subsequently damaged or destroyed During low temperature operation of a 3e 523S 1 with this defect the problem may likewise be manifested as either periodic reboots of the device permanent damage as described previously or by reduced battery life If you have any of the units listed and are experiencing issues described above please call EFJohnson Warranty toll free at 800 328 3911 option 5 or send an email to warranty efjohnson com to arrange for return shipment and rework For Questions regarding this Service Bulletin please contact EFJohnson at 1 800
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