PVI 3000S, 4000S, 5000S, 5300 Series Inverters
Installation and Operation Manual (Rev A)
48
7.0 Troubleshooting and Inverter Messages
Identifying and resolving faults
The PVI 3000S-5300 is fitted with a self-diagnostic system, which can recognize a majority of
possible faults and show these on the display. This allows the operator to rapidly identify possible
problems in the solar inverter or system. Please refer to Table 7.1.1
for a thorough explanation of
fault codes, modes, etc. These indicate both internal errors and external faults.
Ground Fault
If a significant ground fault occurs in the PV array or wiring, the Ground Fault LED will light and
the “fault” will be displayed. The GFDI fuse (located on the wiring/connector panel) may be
blown. If it is, determine and repair ground fault and replace fuse with
Bussmann KLKD1 (1 Amp,
600VDC).
WARNING:
In the event of a ground fault, DO NOT TOUCH any equipment (including,
but not limited to: the inverter, the PV array disconnects, the PV array combiners, the
PV panels, the PV racking system). Immediately contact the installer or another
qualified person to locate and repair the source of the ground fault. Be aware that
normally grounded conductors and equipment may be energized and may pose a
significant shock and / or fire hazard.
Weak Sunlight Condition
Operation in weak sunlight, (for example early in the morning, when overcast, or when snow is
covering most or all of the PV array) can cause the inverter to go through a cycle of trying to start
and restart several times. This can occur if the array reached 235V (strike voltage) but there is
nearly no power available. If in doubt, wait for stronger sun.
7.1
Inverter Messages
Explanations of Error Messages
In the event of a fault, the inverter will stop feeding the AC voltage to the building/utility and
display the error message on the LCD. Qualified service personnel shall do the analysis,
measurement, and debug the system if needed according to the error message in order to
resume normal operation. It is recommended to analyze the fault condition(s) by referring to the
table below and then remove the fault condition(s) in order to return the inverter to normal and
continue to feed AC voltage to the utility steadily. Please contact Solectria Renewables if the
same error message is persistent.