What Does This Error Mean?

SolarEdge production dropping suddenly to a fraction of normal (e.g., from 30kWh/day to 5kWh/day) usually means one or more power optimizers have failed, a panel has cracked, or a string has a wiring fault. Check the SolarEdge monitoring portal — it shows production per optimizer so you can identify the exact failed unit.

Affected Models

SolarEdge SE2200H
SolarEdge SE3000H
SolarEdge SE5000H
SolarEdge SE7000H
SolarEdge SE10000H
SolarEdge StorEdge
All SolarEdge systems with power optimizers

Common Causes

One or more power optimizers failed — optimizer shows 0W or very low output in monitoring
Panel physically cracked or delaminated — visible damage or moisture ingress
Bird droppings or heavy soiling on specific panels reducing optimizer output
DC wiring fault — connector pulled loose or corroded at a junction box
Inverter limiting output due to a separate fault code

How to Fix It

Check the SolarEdge monitoring portal.

Log in to monitoring.solaredge.com and view the site layout map. Each optimizer tile shows its current output. Any optimizer showing 0W or significantly lower than its neighbors is the likely source of the production drop. Screenshot the layout and share with your installer.
Compare today's output to the same day last year.

In the monitoring portal, view 'Power vs. Time' with energy data from the same month last year. A 30–50% drop compared to the same clear day last year (correcting for weather) confirms a significant fault rather than normal seasonal variation.
Inspect panels visually from the ground.

Use binoculars or a phone camera with zoom to check the panels from the ground. Look for dark spots, cracks, or heavy soiling on any panel. Bird droppings concentrated on a few panels can explain a partial production drop — these can sometimes be cleared by rain or washing with a hose.
Check for active error codes on the inverter.

On the inverter LCD (if accessible), check the status screen for any active error codes. Any fault code alongside the production drop narrows the diagnosis. Report the error code to your installer.
Contact your solar installer for an optimizer check.

If the monitoring portal shows one or more optimizers at 0W on a clear sunny day, the optimizer has failed and needs replacement. SolarEdge optimizers are usually covered by a 25-year warranty. Provide the installer with the optimizer serial numbers from the monitoring portal.

When to Call a Professional

A sudden production drop requires a physical site inspection by a solar installer. A failed optimizer needs replacement, and any DC wiring work must be carried out by a licensed electrician.