Huawei FusionPower6000 Maintenance Manual page 48

FusionPower6000
Maintenance Guide
Case Symptom
does not not transfer to inverter
transfer to mode.
inverter
mode.
Bypass The buzzer buzzes, and
abnormal the fault indicator is on.
Bypass fuse The UPS LCD displays
abnormal Bypass voltage
abnormal 1 and the ECC
PAD displays Bypass fuse
abnormal.
Issue 02 (2022-07-18)
NO TE
For details about how to replace UPS components, contact technical support.
Copyright © Huawei Digital Power Technologies Co., Ltd.
Possible Cause
The number of bypass
transfer times reaches the
upper limit.
The bypass thyristor is
damaged.
The bypass module
experiences
overtemperature.
The bypass module or the
FusionPower6000 output
bus is short-circuited.
5 Alarm Handling
Suggestion
On the LCD, choose Clear
Faults.
Replace the bypass
module.
Reduce the load, or
improve ventilation.
Replace the bypass fuse
after the short circuit
fault is rectified.
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