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Notice #3 AC Frequency Changing Too Fast
• Occurs if system voltage is lower or higher than the operational threshold. It is usually caused by a problem with
the energy company. It may be a temporary problem, and is automatically corrected by the energy company. If
the problem persists, check the following:
Ex) Frequency Changing Too Fast Screen
App Message Screen
• Check if there other any other alerts from the app.
• Check the system voltage.
• Inquire to the power company after closing the circuit breaker.
Notice #4, #5 AC Frequency High/ Low
• Occurs if system voltage is lower or higher than the operational threshold. It is usually caused by a problem with
the energy company. It may be a temporary problem, and is automatically corrected by the energy company. If
the problem persists, check the following:
Nominal Frequency 60Hz
Hawaii
Ex) AC Frequency Low
App Message Screen
• If you receive a message regarding low AC Voltage, please check the circuit breaker.
• Problem may occur due to instability of the utility service.
Web Event Screen
59.3 to 60.5Hz
57 to 60.5Hz
Web Event Screen
11
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