Is it safe to leave a faulted solar system connected until someone can look at it?

In most cases yes, the system's own safety protections will isolate a genuine fault, but a technician can confirm this over the phone and advise if you should switch it off at the isolator in the meantime.

What does an inverter fault code usually mean?

It can range from a minor grid voltage issue that clears itself to a genuine internal fault needing a part. The code itself narrows it down, which is why quoting it to the technician when you call helps.

Can a fault callout happen on the same day I notice the problem?

Many technicians in Perth offer same-day or next-day callouts for fault diagnosis, though availability depends on how booked out they are and the urgency described.

Same-day solar system fault callout

When a solar system suddenly stops feeding in, throws a red fault light on the inverter, or trips a safety switch, most owners want someone out quickly rather than booked into a routine service slot weeks away. This is a distinct job from scheduled maintenance: it's reactive, often involves checking isolators, DC combiners, earth faults or inverter error codes, and may need to happen before the system can be safely left running.

A fault callout technician will typically check the inverter display or app for error codes first, then inspect isolators (roof and switchboard), test for earth leakage, and check whether the issue is upstream (grid, meter, switchboard) or within the solar installation itself. Some faults are resolved on the spot (resetting an isolator, clearing a nuisance trip); others need a part replaced or a follow-up visit.

Inverter fault code diagnosis on the day
Safety switch and earth fault troubleshooting
Isolator and switchboard checks
Advice on whether it's safe to keep the system running until a full repair

What it costs

Urgent or same-day callouts generally carry a higher fee than a scheduled visit, reflecting the technician rearranging their day. The final cost also depends on whether the fault is resolved on-site or needs parts ordered for a return visit.

Top 3 by our score

Ranked from our published scoring of public Google reviews for solar energy system service.

1. Dr Sparky Electrical
4.9★ · 195 reviews

92
2. Positive Energy Solutions
4.9★ · 420 reviews

90
3. Fritts Solar
5.0★ · 317 reviews

93

See the full ranking → · Browse all providers

FAQ

Is it safe to leave a faulted solar system connected until someone can look at it?: In most cases yes, the system's own safety protections will isolate a genuine fault, but a technician can confirm this over the phone and advise if you should switch it off at the isolator in the meantime.
What does an inverter fault code usually mean?: It can range from a minor grid voltage issue that clears itself to a genuine internal fault needing a part. The code itself narrows it down, which is why quoting it to the technician when you call helps.
Can a fault callout happen on the same day I notice the problem?: Many technicians in Perth offer same-day or next-day callouts for fault diagnosis, though availability depends on how booked out they are and the urgency described.

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