SunSaver MPPT Installation and Operation Manual

MORNINGSTAR CORPORATION 41

5.0

5.0 Troubleshooting

5.1 Error Indications

NOTE: If an optional Morningstar Remote Meter is

attached to the SunSaver MPPT , use the self-diagnostic

feature to determine the cause of the error indication.

Refer to the Remote Meter Operator’s Manual for more

information.

Status LED Error Indications

• PV High Voltage Disconnect Flashing Red

• RTS Shorted Flashing Red

• RTS Disconnected Flashing Red

• Damaged local temp. sensor Solid Red

• Damaged heatsink temp. sensor Solid Red

• Damaged input MOSFETs Solid Red

• Firmware Error Solid Red

1 - heartbeat indication flickers the Status LED off briefly every 5 seconds

Battery Status LED Error Indications

• Load High Voltage Disconnect R-G Sequencing

• High Temperature Disconnect R-Y Sequencing

• Remote Temp. Sensor Error Y/R - G/Y Sequencing

• External Wiring Error G/R-Y Sequencing

• Load Overcurrent Y/R-G Sequencing

• Load Short Circuit G/R-Y Sequencing

• Custom Setpoints Update G/Y/R Flashing

• Self-test Error R-Y-G Sequencing