Eaton Electrical ASY0529, ASY0673, ASY0567, ASY0674 manual Epo

TROUBLESHOOTING

Alarm Message	What It Means	What to Do
P EPO	The Emergency Power-off function	Deactivate the external EPO switch and restart the
	has been activated.	UPS by pressing the ON button through the front
		panel display.
T Call Service	The UPS has detected a problem that	Contact your service representative.
	requires service.

T Call Service Phase Error

The UPS has detected the input phase rotation to be incompatible with its output wiring and will not start up.

Correct the input wiring problem and restart the UPS.

T Call Service	A power module has detected an	Look for the slot number (third line on display) of the
Module Failure	internal fault and has shut down.	power module and replace the defective module.
T Call Service	The UPS has detected an open	Look for the slot number (third line on display) of the
Module Handle Open	power module handle.	power module and close the handle.
(firmware versions 2.22
and later)

T Call Service Excessive Transfers

The UPS has detected an excessively Contact your service representative. high number of automatic transfers

from High Efficiency mode, and has switched to Double Conversion (Auto) mode.

T Call Service	A power module has detected an	Look for the slot number (third line on display) of the
Precharge Failure	initialization sequence problem and	affected module. Contact your service
	will not start up.	representative.
T Call Service	A power module with incompatible	Look for the slot number (third line on display) of the
Incompatible Module	firmware has been installed in the	affected module. Contact your service
	system.	representative.
5 Fan Failure	The UPS has detected a module fan	Contact your service representative.
	problem that requires service.

Eaton 9170+ UPS (3–18 kVA) User's Guide S 164201393 Rev E www.eaton.com/powerquality 111