Remove some load from the UPS output.
Need more info. How long have you ran it with the load prior to the overload. In other words, what is the total kVA now and what is the kVA when it was running normal? Also what time is this overload happing? Need to get the code and look for the sticker on the inside of you UPS to identify the alarm. Past experience I came across were people (Cleaners or the employees) will connect heaters, vacuums to the outlets and this will cause the overload.
1 - Press the "0" button (28) more than 3s. The buzzer beeps once, and the load is no longer protected by the UPS. It is powered via the Normal AC source. If the UPS is set in frequency converter mode, the equipments will not be powered. If the Normal AC source is out of tolerance, the UPS will generate a 10ms output calibrated break. 2 - For a full shutdown of UPS and connected load, the upstream circuit breaker (notincluded) should be set to the "0" position.
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