Sungrow SG50CX User Manual

98
Fault Code Fault Name Corrective Measures
84
Reverse Connec-
tion Alarm of the
Meter/CT
1. Check if the meter is wrongly connected.
2. Check if the input and output wiring of the me-
ter is reversed.
3. If the existing system is enabled, please check
if the rated power setting of the existing inverter
is correct.
514
Meter Communi-
cation Abnormal
Alarm
1. Check whether the communication cable and
the terminals are abnormal. If so, correct them to
ensure reliable connection.
2. Reconnect the communication cable of the
meter.
3. Contact Sungrow Customer Service if the pre-
ceding causes are ruled out and the alarm
persists.
323 Grid Confrontation
1. Check whether the output port is connected to
actual grid. Disconnect it from the grid if so.
2. Contact Sungrow Customer Service if the pre-
ceding causes are ruled out and the fault persists.
75
Inverter Parallel
Communication
Alarm
1. Check whether the communication cable and
the terminals are abnormal. If so, correct them to
ensure reliable connection.
2. Reconnect the communication cable of the
meter.
3. Contact Sungrow Customer Service if the pre-
ceding causes are ruled out and the alarm
persists.
9 Troubleshooting and Maintenance User Manual

Sungrow SG50CX Specifications

General

Max. DC Voltage	1100 V
MPPT Voltage Range	200 V - 1000 V
Max. Input Current per MPPT	26 A
Number of MPPTs	4
Rated AC Output Power	50 kW
Max. AC Output Current	76 A
Frequency	50 Hz / 60 Hz
Efficiency	98.6%
Start Voltage	200 V
Number of DC Inputs per MPPT	2
Max. AC Apparent Power	55 kVA
AC Voltage Range	310 V - 480 V
Power Factor at Rated Power	1
Adjustable Power Factor Range	0.8 leading - 0.8 lagging
THDi	< 3%
DC Switch	Yes
AC Surge Protection	Type II
DC Surge Protection	Type II
Protection Class	I
Cooling Method	Smart forced air cooling
Protection Degree	IP66
Protection Level	IP66
Operating Temperature Range	-25°C to +60°C
Humidity	0-100%
AC Output Voltage	3 / N / PE, 220 V / 380 V, 230 V / 400 V