Applicable Systems
RTAC 200

Symptoms

Short circuit fault. A short circuit has been detected in the system wiring or a component.

Possible Causes

  • Wiring insulation breakdown causing a short
  • Component internal short circuit

Troubleshooting Steps

  1. Step 1: Disconnect components one by one to isolate the short
    Short circuit is isolated to a specific component
  2. Step 2: Repair or replace the shorted component or wiring
    No short circuit after repair

How to Reset

To reset: Fix the short circuit, then reset the controller.

Source: Trane HVAC Service Manual, Trane Inc.

Category: HVAC Residential