7) TROUBLESHOOTING
7-1 CHECK BEFORE AND AFTER «TROUBLESHOOTING»
(A)
Check power supply wiring.
• Check the power supply wires are correctly connected.
(B)
Check power supply.
• Check that voltage is in specified range (±10% of the rating).
• Check that power is being supplied.
• WARNING: If the following troubleshooting must be done with power supplied,
be careful not to touch any uninsulated live part that can cause electric shock
7-2 CIRCUIT BREAKER TRIPS OR FUSE BLOWS.
• When circuit breaker is set to ON, it trips in a few moments. Resetting is not possible.
• Measure insulation resistance. There is a possibility of ground fault.
If resistance value is 1 Mohm or less, insulation is defective.
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