PowerWalker Battery pack for VFI 10000P_RT LCD - Manual (Page 47)

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to reset error status, then UPS would stop alarm and recover to
Bypass mode. And the reason of fault should be checked and
deleted before UPS is turned on again by manual operation.
4) Restore factory settings: all the settings would be recover to
default factory settings. It could only be done in Bypass mode.
Figure. 5-17 Control menu tree