Troubleshooting – Parts Replacement
28 Symmetra PX 10-40 kW 400 V and 208 V Operation 990-4147D-001
If the system works in bypass, ensure the presence of AC mains supply input.
If a problem persists, note UPS model #, serial #, and date purchased before calling APC Customer
Support.
UPS In Forced Bypass
State
The system has been forced into
maintenance bypass operation: Q003
is closed and/or manual bypass switch
is activated.
No corrective action necessary.
Static Bypass Switch
Module Removed
The static bypass switch has been
removed.
If a static bypass switch has not been
removed, check that it has been
properly inserted.
Display message Meaning Corrective action
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