# using rfu.exe to load code into an RCM3365, getting error message stating Cannot open COLDLOAD.BIN

**URL:** <https://forums.digi.com/t/using-rfu-exe-to-load-code-into-an-rcm3365-getting-error-message-stating-cannot-open-coldload-bin/19590>\
**Category:** Rabbit\
**Tags:** coldload, rabbit\
**Created:** [June 8, 2018, 12:47pm UTC](https://forums.digi.com/t/using-rfu-exe-to-load-code-into-an-rcm3365-getting-error-message-stating-cannot-open-coldload-bin/19590 "2018-06-08T12:47:22Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![pkretzmer](https://avatars.discourse-cdn.com/v4/letter/p/5e9695/32.png) [@pkretzmer](https://forums.digi.com/u/pkretzmer)\
**Post date:** [June 8, 2018, 12:47pm UTC](https://forums.digi.com/t/using-rfu-exe-to-load-code-into-an-rcm3365-getting-error-message-stating-cannot-open-coldload-bin/19590/1 "2018-06-08T12:47:22Z")

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**Author:** ![Campbell](https://avatars.discourse-cdn.com/v4/letter/c/97f17d/32.png) [@Campbell](https://forums.digi.com/u/Campbell)\
**Post date:** [June 11, 2018, 12:27pm UTC](https://forums.digi.com/t/using-rfu-exe-to-load-code-into-an-rcm3365-getting-error-message-stating-cannot-open-coldload-bin/19590/2 "2018-06-11T12:27:49Z")

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Make sure your rfu.exe program setup, file locations; is pointing to “DCRABBIT\_9.62\Bios\COLDLOAD.BIN”