Goodwe DNS Series User Manual

09 Maintenance
35
User Manual V1.0-2022-12-15
Inverter
Failure
Relay-Check
Failure
1. Turn o DC switch of the inverter.
2. Wait till the LCD light is o.
3. Turn on the DC switch and make sure it is connected.
4. If the problem still exists, contact local service oce for help.
DCI Injection
High
EEPROM R/W
Failure
SPI Failure
DC BUS High
GFCI Failure
Others No display
1. Turn o the DC switch and unplug the DC connector, then
measure the voltage of the PV array.
2. Plug in the DC connector, and turn on the DC switch.
3. If PV array voltage is lower than 250V , please check
conguration of inverter module.
4. If voltage is higher than 250V , please contact local service
oce for help.
AFCI-Fault
1. Turn o the DC switch of the inverter.
2. Ensure the DC connector is the right model and is properly
connected.
3. Turn on the DC switch and make sure it is connected.
4. If the problem still exists, contact local service oce for help.
9.5 Routine Maintenance
Maintaining Item Maintaining Method Maintaining Period
System Clean
Check the heat sink, air intake, and air
outlet for foreign matter or dust.
Once 6-12 months
DC Switch
Turn the DC switch on and o ten
consecutive times to make sure that it is
working properly.
Once a year
Electrical Connection
Check whether the cables are securely
connected. Check whether the cables are
broken or whether there is any exposed
copper core.
Once 6-12 months
Sealing
Check whether all the terminals and ports
are properly sealed. Reseal the cable hole
if it is not sealed or too big.
Once a year

Goodwe DNS Series Specifications

General

Max. Efficiency	97.8%
MPPT Efficiency	99.9%
Cooling Method	Natural Convection
Protection Rating	IP65
Start Voltage	80 V
Nominal AC Voltage	230 V
THDi	<3%
Number of MPPTs	2
Output Voltage	230 V
Frequency	50 Hz / 60 Hz
Type	Grid-Tied Inverter
Rated Power Output	3000W, 3600W, 4200W, 5000W
Communication	RS485
Max. DC Input Power	4500W, 5400W, 6300W, 7500W
Max. DC Voltage	550V
MPPT Voltage Range	80-500V
Rated AC Output Power	3000W, 3600W, 4200W, 5000W
AC Voltage Range	180V - 280V
Power Factor	0.8 leading to 0.8 lagging
Operating Temperature Range	-25°C to 60°C
MPPT Range	80-500V
Model	DNS Series