Applicable Systems
RTAC 200

Symptoms

Emergency stop interface fault. The emergency stop circuit is not functioning correctly.

Possible Causes

  • Emergency stop button stuck or wiring broken
  • Emergency stop relay failure

Troubleshooting Steps

  1. Step 1: Check the emergency stop circuit continuity
    Circuit is open due to stuck button or broken wire
  2. Step 2: Repair or replace the faulty component
    Circuit is complete after repair

How to Reset

To reset: Fix the emergency stop circuit, then reset the controller.

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Source: Trane HVAC Service Manual, Trane Inc.

Category: HVAC Residential