HVAC Sales Master

Fault Code Lookup

HVAC Sales Master
ERR164.01
Indoor EEV error / EEV OPEN ERR
This code typically points to
  • EEV motor at open position but valve/system response is incorrect
Next checks to confirm
  1. Check for stuck-open valve behavior
  2. Verify sensor calibration
Escalation
Major
Reset behavior
Clears when valve/system response returns normal.
Urgent
Fix now
Source
Trane Hyperion *AM8/TAM8 Field Reference Data, p.22
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