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Outdoor Valve Clogging

Outdoor Valve Clogging Error — High pressure detected

Samsung · Air Conditioning

What does Outdoor Valve Clogging mean?

This error indicates that there might be a blockage in the outdoor unit's valve, leading to unusually high pressure within the system. This can affect cooling or heating performance.

Common Causes

  • Clogged valve in the outdoor unit.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the air conditioner at the main power switch or circuit breaker and wait 30 seconds.

  2. 2

    Ensure that the outdoor unit is clear of any debris, leaves, or obstructions that might be impeding airflow around the unit.

  3. 3

    Turn the power back on.

  4. 4

    If the error returns, contact customer support, as a technician will need to inspect the valves and refrigerant lines.

Browse all codes in this manual (94)
Verified technical data. Last updated: April 2026

Related Faults

COND temperature sensor errorCondenser temperature sensor error — Outdoor coil temperature sensor faultCommunication errorCommunication error — Indoor/outdoor inverter main MICOM communication lostCommunication error after trackingCommunication error after finishing tracking — System communication issue following a tracking process
Source: Samsung Air Conditioning
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