Diagnose. Prove.
Report.

A fast, evidence-led diagnostic workspace for modern split and light-commercial air-conditioning. Choose how you want to begin and the app keeps the relevant tests, calculations and reporting close at hand.

Start guided diagnosis →Open test centre

R32 · R410A · R290Browser-local sessionNo model database required

CHOOSE YOUR ROUTE

What do you know already?

Four clear starting points. The deeper tools appear only when they are useful.

⌁UNKNOWN FAULT

Guided Diagnosis

Start from the reported symptom and work through the system logically.

Find the fault → ⌘DIRECT TESTING

Diagnostic Test Centre

Jump directly to electrical, motor, valve, thermistor or refrigeration tests.

Open workspace → !FAULT CODE

Physical Test Translator

Turn manufacturer error codes into practical evidence-led test sequences.

Translate a code → ≡JOB EVIDENCE

Diagnostic Report

Review measurements, test history and conclusions from the current session.

Open report →

QUICK ACCESS

Common field tests

View all

⚡PCB & powerAC input → DC bus → control rails ◬Inverter compressorU/V/W balance and insulation ✣DC / EC fanSupply, command and feedback ❄RefrigerationPT, superheat and subcooling

CURRENT VISIT

Recent activity

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Your recently opened tests will appear here.

Professional diagnostic aid

Use exact manufacturer service information where available. Live mains, DC-link and inverter circuits can be lethal. Isolate and prove dead before resistance or continuity tests.