MAINTENANCE GUIDE
Clean the inverter
Cleaning procedure is as follows:
(1) Disconnect the input and output switches.
(2) Wait ten minutes.
(3) Use a soft brush or a vacuum cleaner to clean the surface and the inlet and outlet of
the inverter.
(4) Repeat inspection before operation - operating content.
(5) Restart the inverter.
DISPLAY PANEL
This chapter describes the panel displaying and how to operate on the panel, which
involves the LCD display, LED indicators and operation panel.
LED INDICATORS
There are three LED indicators on the panel:
(1) “Run”, operation indicator, green;
(2) “Warn” recoverable fault indicator, yellow;
(3) “Fault”, unrecoverable fault indicator, red.
The inverter state includes 6 states of stand-by, self-inspection, power generation,
recoverable fault and unrecoverable fault; LED indicators are on, off and blinking. Please
refer to the table below for detailed state of inverter and LED indicators state.
“
”: LED indicator is off;
“ ” (green), “
” (yellow), “
” (red): LED indicator is blinking at every 0.25S or 0.5S;
“
(Green), “
” (yellow), “
” (red): LED indicator is on.
Table of inverter state and LED indicators
Inverter
state
LED
indicators
Description
Stand-by
Run
Warn
Fault
No power on. All indicators off.
Self-
inspection
Run
Warn
Fault
Green indicator blinks in every 0.25s, others off. Power
on and ready for self-inspection
Power
generation
Run
Warn
Fault
Green indicator keeps on, others off.
Grid-tied power generation.
Run
Warn
Fault
(1) Grid-tied power generation, but clock fault (A 007);
(2) Grid-tied power generation, but DC input fault
(A001 or E001);
(3) Grid-tied power generation
，
but fan fault(E006 or
E012);
Green and yellow indicator keeps on, others off.
