Products Not Cold Diagnostic Flow
Other PV 900 Companion Cold
Products Not Cold Diagnostic Flow
This systematic approach helps diagnose insufficient cooling, starting with simple checks and escalating only when necessary evidence points to a deeper system issue.
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.
- Compressor runs continuously but evaporator is not cold: suspect_sealed_system_issue
- Compressor casing is excessively hot with burning smell: disconnect_power_and_hand_off
- Refrigerant oil visible on fittings or components: suspect_sealed_system_leak
- If the compressor runs continuously but the evaporator is not cold, you must escalate this to a qualified technician.
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
Visually inspect the condenser coil area for excessive dirt buildup o...
operator-intermediatehighVisually inspect the condenser coil area for excessive dirt buildup or visible damage.
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.
Stop conditions- If the compressor runs continuously but the evaporator is not cold, you must escalate this to a qualified technician.
- If the compressor casing is excessively hot with a burning smell, disconnect power and hand off to a qualified technician.
- If refrigerant oil is visible on fittings or components, you must escalate this to a qualified technician.
Expected: Initial condition is documented before deeper diagnosis.
Evidence to note: note
- 2
Check the fan blades for any physical obstructions that might impede...
operator-intermediatehighCheck the fan blades for any physical obstructions that might impede airflow.
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.
Stop conditions- If the compressor runs continuously but the evaporator is not cold, you must escalate this to a qualified technician.
- If the compressor casing is excessively hot with a burning smell, disconnect power and hand off to a qualified technician.
- If refrigerant oil is visible on fittings or components, you must escalate this to a qualified technician.
Expected: Initial condition is documented before deeper diagnosis.
Evidence to note: note
- 3
Check the visible cooling components for obvious damage.
operator-intermediatehighCheck the visible cooling components for obvious damage.
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.
Stop conditions- If the compressor runs continuously but the evaporator is not cold, you must escalate this to a qualified technician.
- If the compressor casing is excessively hot with a burning smell, disconnect power and hand off to a qualified technician.
- If refrigerant oil is visible on fittings or components, you must escalate this to a qualified technician.
Expected: Result is documented before continuing the route.
Evidence to note: note
- 4
Observe the compressor operation and listen for unusual noises for a...
operator-intermediatehighObserve the compressor operation and listen for unusual noises for a qualified technician.
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.
Stop conditions- If the compressor runs continuously but the evaporator is not cold, you must escalate this to a qualified technician.
- If the compressor casing is excessively hot with a burning smell, disconnect power and hand off to a qualified technician.
- If refrigerant oil is visible on fittings or components, you must escalate this to a qualified technician.
Expected: Result is documented before continuing the route.
Evidence to note: note
- 5
Stop and document the machine state for technician review.
operator-intermediatehighStop and document the machine state for technician review.
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.
Stop conditions- If the compressor runs continuously but the evaporator is not cold, you must escalate this to a qualified technician.
- If the compressor casing is excessively hot with a burning smell, disconnect power and hand off to a qualified technician.
- If refrigerant oil is visible on fittings or components, you must escalate this to a qualified technician.
Expected: Result is documented before continuing the route.
Evidence to note: note
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.