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JC

JC - Failed low pressure sensor

Daikin · Air Conditioning

What does JC mean?

The sensor that measures low pressure has an open or short circuit.

Common Causes

  • Low pressure sensor open or short circuit.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the low pressure sensor is securely connected.

  2. 2

    Inspect the sensor and its wiring for any damage.

  3. 3

    A qualified technician should replace any faulty sensor or wiring.

Browse all codes in this manual (79)
Verified technical data. Last updated: April 2026

Related Faults

A0A0 - External protection activeA1A1 - Indoor PCB failureA2A2 - Malfunction of freezing protection
Source: Daikin Air Conditioning
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