4. Installation
4. Installation
.23.
.22.
4.3.7.3 Self-Test Function
Switch OFF the emergency circuit breaker
Wait for 30s then open the wiring box of the inverter
Use multimeter to measure the voltage
between the DC inputs (PV+, PV-)
Voltage = 0
MLRSD
Self-Test completed and
Switch ON the emergency
circuit breaker.
Keep the emergency
circuit breaker OFF and
Check the LED indicator
on the MLRSD receivers
one by one.
Lit LED means an abnormal MLRSD receiver.
DON’T touch any part of the PV system and contact Solis
Technical Support to solve the issue.
Voltage
≠
0
MLRSD
The Solis MLRSD has built in self-test circuitry to ensure proper operation.
Figure
4.
16
Self-Test Troubleshooting Diagram
WARNING:
All circuit connections to the MLRSD must be performed by certified personnel.
Figure
4.
17
Self-Test Function of Solis MLRSD
NOTE:
MLRSD function can be enabled by installing or replacing transmitter board
inside the wiring box. Operation must be performed by certified personnel.
