Plan your solar system with the numbers and safety checks in one place.

Check whether the same socket works for another appliance, then check the circuit breaker for a tripped position.

If a breaker keeps tripping on reset, stop and log the events. Repeated trips are a symptom, not a nuisance.

Compare the charging indicator with today’s weather and your load list. Cloudy days and added appliances explain most “not charging” reports.

If the battery is hot, swollen, or leaking, keep it away from people and hand over to a qualified professional.

Write down the exact error code or warning text before contacting anyone. It is the fastest diagnostic clue for your installer.

Do not disconnect DC wiring to “try again” while panels are exposed to sunlight.

Log the date, time, and what was running. Do not reset a protection device that trips repeatedly. The trips are communicating a fault.

Let a qualified electrician diagnose and re-energize the circuit.

Check your inverter app or monitoring display for today's energy count, then compare with recent sunny days. A similar low figure across clear days suggests a real problem.

Note the pattern for several days before calling anyone; a single cloudy or hazy day is normal in the Philippines.

Write down the exact code and message before doing anything else. The code tells the installer which subsystem failed.

Do not unplug and replug the inverter repeatedly. If the code returns after one proper restart, log it and hand it over to the installer.

Check whether your consumption is simply higher than production today (all appliances running on a cloudy afternoon means nothing left to export).

If export stays at zero for several clear, low-load days, log the readings and let the utility or installer verify the meter connection.

Walk through the simple chain: main AC breaker, DC isolator or switch position, and whether a storm or brownout happened overnight.

If a breaker or isolator tripped, leave it off, log the event, and let a qualified person re-energize after finding the cause.

Compare today's load list with the months before. A new appliance (refrigerator, pump, TV) can silently double your nightly draw.

Sudden fast drain without new loads points to a battery issue; log the discharge times and hand over to the installer instead of opening the battery.

Look for visible moisture, corrosion, or insect nests around the inverter vents and cable entries during daylight, from a safe distance.

Moisture inside electrical enclosures means a stop-work condition. Flag it for a qualified person before the next rain.

Check whether the sag happens at a specific time of day (peak heat hours) or only when heavy loads like aircon and pumps start. Voltage sag under load is a sizing clue.

Sudden, severe dimming across the whole house is not normal; stop heavy loads and log the event for an installer.

A quiet fan or slight transformer hum is often normal. Note when the sound starts: during charging, during export, or at night.

Loud, new, or growing noises, especially with heat, mean the unit needs professional inspection. Keep clear space around it.

Restart the home router first, then check the inverter's indicator lights. Most 'offline' readings are network issues, not faults.

If the app stays offline for days while the system visibly works, note the dates; monitoring gaps hide real problems.

Check that the communication cable between battery and inverter is seated and that no recent move loosened it, from outside, without unplugging under load.

A persistent comms alarm means the battery cannot be managed safely; stop using it for export and flag it for the installer.

Heat marks, melted plastic, or a burnt smell near any connection point are warning signs you can see without touching anything.

This is a stop-work condition: keep the area clear and have a qualified person replace the device before use.

Before the rains, look at the mounting rails, cable ties, and conduit from the ground. Loose panels or chafed cables start small.

After typhoons, check from a safe distance before resuming normal use; debris or shifted panels need a professional review.

After a blackout or nearby strike, check whether the system restarted on its own by looking at the inverter lights and app reading the next morning.

If the system does not come back on by itself, note the event date and time; surge damage can appear gradually and needs a professional check.

Map which rooms or appliances lost power and check their breakers in the main panel. A single tripped branch breaker is the usual cause.

If the dead circuits share one breaker that keeps tripping, stop adding loads to it and log the pattern for an electrician.

Commissioning issues are common: check that the settings match your battery chemistry and that export limits were configured for net metering.

Return to the installer rather than adjusting internal settings yourself. Wrong parameters can damage the battery over weeks.

Check the billing period coverage and whether fixed charges, meter readings, or a rate change explain the difference. Not every rise is a solar fault.

Bring the bill and your system readings to your installer or the utility; the combination usually reveals whether the meter or the setup is the cause.