Hardware Model Specification

Deye SUN-8K-SG04LP3 Diagnostics

Classification: Three-Phase Hybrid Inverter 8kW

Hardware operational fault codes, protection alarms, LED blink sequences, and step-by-step diagnostic fixes for the Deye SUN-8K-SG04LP3.

2 Documented Faults • Full Multimeter & Safety Isolation Procedures

Indexed Fault Codes for SUN-8K-SG04LP3

Step-by-step resolution manuals and root cause matrices

2 Codes

CODE F18 Severity: High Difficulty: Intermediate

AC Over Current Fault

Fault F18 occurs when instantaneous AC output current exceeds the hardware peak current threshold, indicating a downstream short circuit, heavy inrush current, or internal inverter bridge failure.

⏱ 20-30 Mins Troubleshoot Now →

CODE F13 Severity: Medium Difficulty: Easy

Grid Over Frequency Fault

Fault F13 indicates that the utility grid or generator frequency has exceeded the country-code safety limits (typically 50.5Hz or 51.5Hz for 50Hz grids, or 60.5Hz for 60Hz grids).

⏱ 10-20 Mins Troubleshoot Now →