Faultpath
/
Fault Codes
/
Solis
/
Failsafe
Solis
Failsafe
EPM Comms Failsafe (Alarm 2010)
Communication between inverter and EPM or meter lost.
Common causes
Comms cable between inverter and EPM/meter
Internal EPM function enabled unintentionally
What to check
STEP 1
Check the communication connection between the inverter and the EPM or meter.
STEP 2
If no EPM is fitted, check External EPM Set and Internal EPM Set are OFF in Advanced Settings.
Escalate if
Cabling and settings correct but alarm persists
Need full interactive diagnosis?
Faultpath walks you through decision trees, fault codes, and commissioning — built for solar & battery engineers.
Open Faultpath
More Solis fault codes
E001
Grid Over-Voltage
E002
Grid Under-Voltage
E003
Grid Over-Frequency
E004
Grid Under-Frequency
E005
Grid Impedance High