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Even with all of these components, you can systematically locate nearly any problem with just a multimeter.
Tools
Digital multimeter
Twist
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Out the Emergency Stop
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Button
Reason: The Emergency Stop button is pushed in.
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| Info |
|---|
The Reset button doesn't illuminate until after you:
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Reset the
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Building’s Mains Breaker
Reason: The shop or building’s mains breaker is turned off.
Examine the building’s breaker. If it's not already on, turn it on.
Using a digital multimeter, measure to inspect and verify that you have power at the outlet.
Inspect the
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Power Entering the
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Machine
Reason: The Main Disconnect switch is in the Off position.
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Machine | Wires | Measure for… |
|---|---|---|
770M/MX | 101 and 100/N | 115 Vac nominal |
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Reset the CB1 and/or CB2
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Circuit Breaker
Reason: The CB1 and/or CB2 circuit breaker tripped.
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Machine | Wires (CB1 and CB2) | Measure for… |
|---|---|---|
770M/MX | 105 and 100/N and 107 and 100/N | 115 Vac nominal |
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Inspect the DC
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Power Supply (PS1)
Reason: The DC power supply PS1 is defective.
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Machine | Wires | Measure for… |
|---|---|---|
770M/MX | 112/N and 113 | 115 Vac nominal |
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Inspect the K1
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Contactor
Reason: The contactor K1 is defective.
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