Refrigeration Not Cooling Diagnostic Flow
Other PV 800 Combo
Refrigeration Not Cooling Diagnostic Flow
Non-invasive checks for airflow, cleanliness, door seal, and compressor operation before any sealed-system consideration
Qualified technician handoff: stop before live electrical testing, sealed-system refrigeration work, compressor service, or protected-compartment access unless a qualified technician is handling the work.
- refrigerant_oil_visible_or_leak_detected: stop_and_escalate
- compressor_tripping_on_overload_repeatedly: stop_and_escalate
Checklist
Guided Diagnostic Steps
Work from low-risk checks toward technician-level inspection only when evidence supports it.
You can read or print the route now. The first checkbox click opens the service contact gate.
- 1
Check main fuse or circuit breaker
operator-intermediatehighLocate the main fuse holder or circuit breaker. With power disconnected, check fuse continuity. If a breaker, verify it is in the ON position.
Digital MultimeterStop conditions- fuse_blown_repeatedly
- discoloration_around_fuse_holder
Expected: Fuse shows continuity or breaker is in ON position
Evidence to note: meter-reading
Tools for this route
Parts status
Exact public parts list not verified yet. Use this route to identify the system before ordering.
Candidate areas for part verification
Other Possible Issues
Switch routes if this symptom is not the closest match.