Work mode
Diagnose a system
Fault libraries, ordered triage and the checks that turn a symptom into useful evidence.
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Field sequences12
Inverter Not Producing PowerA safe, ordered triage for a system showing zero generation, from site conditions and monitoring through to the fault record an installer needs.Solar System Producing Less Than ExpectedSeparate normal variation from a real performance issue using like-for-like periods, monitoring evidence and a structured site handover.Grid Overvoltage and Repeated Inverter TrippingCollect the evidence needed to distinguish a network condition, site voltage rise, settings issue or installation problem without guessing at the cause.Home Battery Not ChargingWork through operating mode, reserve settings, solar availability, communications and fault evidence before escalating a battery issue.
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Solar Monitoring Offline or Not UpdatingSeparate a monitoring or communications outage from a generation fault and package the evidence needed for support.Inverter Intermittently RestartingBuild a timestamped pattern for repeated restarts without masking protection events or guessing at the cause.Solar Insulation or Earth-Leakage AlarmTreat insulation and leakage warnings as safety events, record the conditions and hand over a useful evidence pack.Home Battery Not DischargingCheck reserve, schedules, operating mode, site demand and communications before escalating a battery that remains idle.Battery Backup Did Not OperateRecord the outage, essential-load behaviour and battery state needed to assess a backup event.Solar Circuit Repeatedly TrippingCapture when a protective device operates and escalate without repeatedly resetting a potentially unsafe circuit.Export Control or Meter Commissioning CheckA field record for systems that export unexpectedly, remain capped or show implausible power-flow direction.Post-Storm Solar System CheckA safe ground-level check after hail, wind, lightning, flooding or debris impact, with clear stop conditions.
Calculators and worksheets5
Solar Cable Voltage Drop CalculatorWork out voltage drop on a DC string or single-phase AC run from the entered length, current, conductor size, voltage and material.Battery Backup Runtime CalculatorEstimate how long a battery can support a nominated essential load from usable capacity, backup reserve and conversion efficiency.AC Voltage Rise WorksheetCompare two entered voltage readings and document the rise in volts and percentage without applying a compliance verdict.Battery Charge-Time & Surplus PlannerEstimate energy needed and charge time from usable capacity, starting and target state of charge, surplus power and entered efficiency.
Guides and references21
Huawei Inverter Error CodesHuawei SUN2000 alarm reference with audience-separated, source-linked remedies for current M2 and M3 families; broader residential and backup codes remain explicitly unverified for those families.Sungrow Alarm CodesA searchable Sungrow fault reference with current SH5T–SH25T remedies separated from earlier SH/RT/RS, string-inverter, battery and BDC records.Solis Alarm CodesSolis alarm vocabulary from official service material, with owner-safe and installer guidance while exact Australian model and firmware applicability remains blank.Growatt Error CodesCurrent MOD XH codes separated from legacy TL/MTL search terms, with official remedies only where the exact current manual supports them.
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GoodWe Error CodesGoodWe inverter error codes for grid, isolation, temperature and internal faults, with clear guidance on self-recovery versus service.Fronius Error CodesCommon Fronius State codes, including the Australian Volt-Watt and Volt-VAr grid-protection states, explained for owners and installers.SMA Error CodesSMA event-code reference with source-linked remedies for Australian Sunny Tripower X models and explicit boundaries around older Sunny Boy and mixed-family records.Enphase Microinverter Error CodesEnphase IQ event reference with current official remedies separated from legacy event vocabulary retained through labelled secondary sources.SolaX Inverter Error CodesCurrent X1/X3-Hybrid G4 faults with source-linked remedies, kept separate from remedy-blank legacy X-Hybrid C1 and DM9000 entries.Deye Inverter Fault CodesDeye SG04LP3-AU fault-table guidance, with deployed-firmware F08/F35 residues labelled and left without unsupported remedies.Tesla Powerwall Alert CodesWhat Tesla Powerwall's app alerts mean, from Breaker Open to Storm Watch, and what to do about them.Sigenergy SigenStor Fault CodesCommon SigenStor alarms (the 1000-series inverter codes) explained, with what each points to and what to check.FoxESS Inverter Error CodesFoxESS hybrid and R-series alarms with separate owner-safe checks and source-linked installer remedies.Sofar Inverter Error CodesLegacy Sofar ME3000SP ID codes anchored to the official manual, without inferring the same remedies for HYD or later inverter families.Hoymiles Microinverter Error CodesCurrent official HMS/HMT alarms and remedies, separated from community-only OpenDTU decoder entries that remain remedy-blank.Virtual Power Plants (VPP), ExplainedHow to separate VPP capability, enrolment and live dispatch, compare contract terms, and triage unexpected battery behaviour without changing settings blindly.Battery Backup Architecture and Essential LoadsHow energy, power, transfer equipment and backed-up circuits combine to determine real outage behaviour.Export-Control CommissioningCommission export control from the connection approval through metering, CT direction, phase mapping and measured response.Grid-Voltage InvestigationsBuild a defensible evidence chain from inverter events, named measurement points, site voltage rise and network escalation.AS/NZS 4777.2Inverter requirements for grid connection: anti-islanding, power quality, and voltage/frequency response, including the regional settings inverters ship with.AS/NZS 3008.1Selection of cables: current-carrying capacity (ampacity) and voltage-drop sizing for conductors.
Job records4
General field jobAn open evidence record without a prescribed diagnostic sequence.Grid-voltage investigationBuild a time-aligned evidence chain from supply conditions to inverter behaviour.Battery fault investigationRecord architecture, state, alerts, operating conditions and recovery actions.Export-control verificationRecord metering direction, communications, settings and observed export response.