ZGR SOLAR STR 250
Operation manual
www.zigor.com
39
Insulation resistance Fault (F07-1)
(1) Disconnect PV input, restart the inverter and check
whether fault still exists.
(2) Please measure impedance of PV+/PV- to ground
whether is over than 500 K
Ω
.
(3) Please contact your local distributor if resistance is less
than 500 K
Ω
.
Remote shutdown (F16-1)
The inverter is on remote OFF status, the Inverter can be
turned off/on remotely by monitoring software.
SPI communication Fault (F18-1)
(1) Disconnect PV input, restart the inverter and check
whether fault still exists.
(2) Contact
ZIGOR
if the fault still exists.
SPI communication Fault (F19-1)
(1) Disconnect PV input, restart the inverter and check
whether fault still exists.
(2) Contact
ZIGOR
if the fault still exists.
Leakage Current High (F20-1)
(1) Disconnect PV input, restart the inverter and check
whether fault still exists.
(2) Contact
ZIGOR
if the fault still exists.
Leakage Current Self-Checking Failure (F21-1)
(1) Disconnect PV input, restart the inverter and check
whether fault still exists.
(2) Contact
ZIGOR
if the fault still exists.
Consistency Voltage Fault (F22-1)
(1) Disconnect PV input, restart the inverter and check
whether fault still exists.
(2) Contact
ZIGOR
if the fault still exists.
Frequency Consistency Fault (F23-1)
(1) Disconnect PV input, restart the inverter and check
whether fault still exists.
(2) Contact
ZIGOR
if the fault still exists.
Loss of auxiliary power supply (F25-1)
(1) Disconnect PV input, restart the inverter and check
whether fault still exists.
(2) Contact
ZIGOR
if the fault still exists.
IGBT Fault (F26-1)
(1) Disconnect PV input, restart the inverter and check
whether fault still exists.
(2) Contact
ZIGOR
if the fault still exists.
DSP communication Lost (F32-1)
(1) Disconnect PV input, restart the inverter and check
whether fault still exists.
(2) Contact
ZIGOR
if the fault still exists.
Table 5-3 Troubleshooting
Given the complexity of the equipment, when a serious error occurs and causes the equipment to stop, ZIGOR
customer service should be contacted to assist you step-by-step to your resolution by providing the information
requested.
For more information, contact: