time switch with HCF 4 541 SECOND circuit 201600, i don't know if I read it right, unclear lettering. symptom Fan rotates very slowly, voltage approx 130V i have replaced the triac, no result, I suspect that I do not have a full sine wave only 1/2 period I do not have an oscilloscope to check.

You don't need to have an oscilloscope. A resistor, diode, capacitor and voltmeter will allow you to check whether you have a half current or a full sine wave.

Timer with HCF 4541 and 201600 - fan slow rotation, 130V

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#1 14776106 16 Jun 2015 15:28

kowallz kowallz

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14776106 16 Jun 2015 15:28

time switch with HCF 4 541 SECOND circuit 201600,
i don't know if I read it right, unclear lettering.

symptom Fan rotates very slowly, voltage approx 130V
i have replaced the triac, no result, I suspect that I do not have a full sine wave only 1/2 period I do not have an oscilloscope to check.
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#2 14776134 16 Jun 2015 15:39

sanfran sanfran

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14776134 16 Jun 2015 15:39

You don't need to have an oscilloscope. A resistor, diode, capacitor and voltmeter will allow you to check whether you have a half current or a full sine wave.
#3 14776333 16 Jun 2015 17:06

kowallz kowallz

Level 16

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Post #3
14776333 16 Jun 2015 17:06
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Timer with HCF 4541 and 201600 - fan slow rotation, 130V

Timer with HCF 4541 and 201600 - fan slow rotation, 130V

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