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HT1509: Using Apple Hardware Test

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HT1509 Does anybody know what hardware test error code this is 4SNS/1/40000001: TCOH -1.704

153 Views 1 Reply Latest reply: Jan 28, 2013 8:12 PM by shldr2thewheel RSS
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Jan 28, 2013 8:11 PM

Does anybody know what hardware test error code this is 4SNS/1/40000001: TCOH -1.704

Trying to track down fast running fan that will not reset and this error came up.

24' iMac

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