Technical data

Page 22 Copyright Enphase Energy Inc. 2009 141-00008 REV 06
Event Messages
The table below lists messages that the Envoy can produce to indicate certain
conditions. These messages appear on screen when your computer is connected to
the Envoy local interface. These messages can provide Enphase Customer Support
with valuable information, should you need to call for assistance.
Where message is displayed:
Home Screen Inventory Screen Description
AC Frequency Out
Of Range
ac-freq-oor The frequency of the AC grid has
exceeded the limits specified by UL
1741.
AC Voltage Out Of
Range
ac-voltage-oos-p#
(# = 1, 2 or 3)
The voltage of the indicated AC
phase (relative to neutral) has
exceeded the limits specified by UL
1741.
Audible alarm
active
audible-active The inverter's buzzer is active, either
due to an internally detected error
or by user command.
Bad Flash Image bad-flash-image The inverter is not producing power
because one of its flash memory
images is corrupt. Contact Enphase
Energy customer support at 877-
797-4743 for assistance.
Commanded Reset commanded-reset The inverter has reset, either
following a successful image
download or by user command.
Control Request This event logs a user control
request made using the
Administration > Device Conditions
and Controls page or via Enlighten.
Critical
Temperature
critical-temp The inverter is producing less power
in an attempt to not overheat (see
Over Temperature)
DC Too High dc-voltage-hi The DC input voltage to the inverter
is too high; check that the PV
module and inverter are compatible.
DC Too Low dc-voltage-lo The DC input voltage to the inverter
is too low; this is a normal condition
at night, but during the day may
indicate a bad or missing DC
connection to the inverter.
Download to
module begun
The Envoy has begun an image
download to the indicated inverter.
Download to
module ended
The Envoy has successfully
downloaded an image to an inverter.
Download to
module failed
The Envoy was unable to
successfully download an image to
an inverter.