Toyota 7FBEU18 AD-4 and AD-3 error - Maintenance & Troubleshooting discussion in Forkliftaction's forums

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Toyota 7FBEU18 AD-4 and AD-3 error

I am getting a AD-4 and then sometimes an AD-4 and AD-3 error.

The machine will not travel.

Thanks.

Posted 25 May 2019 02:52
By tirechain
joined 10 Sep'16 - 5 messages
Pennsylvania, United States

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Thank you.

It was the Danaher Drive controller DH38R09192A.

Found the refurbs at uniparts.net for only $450.

Posted 7 Jun 2019 03:24
By tirechain
joined 10 Sep'16 - 5 messages
Pennsylvania, United States

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One of the Onboard Controllers for the Drive Motors is defective.
Might need to replace it, unless your customer decides to have it fixed.

Test both motors for voltage; you need to see which one is not receiving volts.
Then do the same thing for the Controllers.

Posted 25 May 2019 22:33
By LaGrange
joined 15 Sep'13 - 301 messages
Missouri, United States

Strong in mind, Strong in Health.

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