12 Troubleshooting
SMA Solar Technology AG
Operating manual EVC22-3AC-20-BE-en-10 85
12 Troubleshooting
12.1 Event messages
12.1.1 Event 1302
Event message:
• Waiting for grid voltage
• Grid connection installation failure
• Check grid and fuses
Explanation:
L or N not connected.
Corrective measures:
• Ensure that the line conductors are connected.
• Ensure that the miniature circuit breaker is switched on.
• Ensure that the AC cable is not damaged and that it is connected correctly.
12.1.2 Event 3701
Event message:
• Residual current too high
Explanation:
A DC residual current has been detected between the product and vehicle.
Corrective measures:
• Check the user interface of the vehicle for an error message.
• Disconnect the product from the vehicle and reconnect to reset the error message.
12.1.3 Event 6112
Event message:
• Watchdog reset
Explanation:
A task has not triggered the software watchdog.
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