Monitoring the Inverter
5–8 975-0466-01-01
Additional Offline
messages for
multiple unit
systems
Multiple unit systems in offline mode display all of the message screens shown in
Table 5-6, plus the additional screens shown in Table 5-7. These additional
screens are displayed following the Time Online screen.
These screens are only displayed when multiple GT Inverters are connected by
network cables. If you continue to tap the unit, then the LCD continues to cycle
through all of the available offline mode screens.
Fault Mode
When a fault state is detected, the appropriate fault message appears on the front
panel display at the next screen refresh (i.e., within 2 seconds). The GT Inverter
fault message screens are shown in Table 5-8.
Fault Mode causes
These message screens only appear when there is a fault, and then flash alternately
with the Inverter Offline default screen (Table 5-5) until the fault is corrected.
Table 5-7
Additional Offline Mode Screens for Each GT Inverter in a Multiple
Unit System
Tap Display Description
5th Unit 0W
Today 1.25kWh
Power being produced by this unit now.
Cumulative energy produced by this unit today.
6th Unit Lifetime
150kWh
Lifetime energy produced by this unit.
Table 5-8
Fault Message Screens
Display Description
DC Voltage Fault
145.5V
The actual DC voltage is over or under the allowable range.
Self-clearing, no action required.
The PV array should be configured such that DC voltage
falls within the input voltage maximum power point range
specified for your model in “Electrical Specifications” on
page A–2.*
AC Voltage Fault
280V
The actual AC voltage is over or under the allowable range,
as specified in “Electrical Specifications” on page A–2.
This is a utility fault; it will clear itself when the AC voltage
comes within the specified range.†
AC Current Fault The AC output current is over the allowable limit, which is
0.5 A less than the maximum output fault current. See
“Electrical Specifications” on page A–2. The message clears
after 15 seconds if the output current falls below the limit.
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