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ErrorLib — Industrial Fault Code Library

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CJChxx.Overrange

Cold Junction Overrange (5069-IY4, 5069-IY4K)

Allen-Bradley · Compact 5000 I/O Analog Modules

What does CJChxx.Overrange mean?

This boolean tag indicates that the cold junction temperature at channel (xx) is above the maximum of its operating range. A value of 1 means the channel data is above the absolute maximum threshold.

Common Causes

  • Measured cold junction temperature is above the maximum operating range of the channel (CJChxx).

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Measure the cold junction temperature at channel (CJChxx) to verify it is within the specified operating range.

  2. 2

    Verify the cold junction sensor functionality and wiring.

Browse all codes in this manual (33)
Verified technical data. Last updated: April 2026

Related Faults

Alternating yellow/redCalibration In ProgressCJChxx.FaultCold Junction Data Fault (5069-IY4, 5069-IY4K)CJChxx.FieldPowerOffCold Junction Field Power Off (5069-IY4, 5069-IY4K)
Source: Allen-Bradley Compact 5000 I/O Analog Modules
Open Manual (Page 144)Search more codes in this manual