Emergency Stop of Indoor Unit

What does E83 mean?

The indoor unit has initiated an emergency stop, indicating a critical safety or operational fault. This requires immediate attention to prevent further damage or unsafe conditions.

• Activation of an external emergency stop button wired to the indoor unit.
• Safety interlock switch on access panels being triggered.
• Internal safety circuit within the indoor unit has tripped.

Click steps to track your progress.

1. 1

   Identify and reset any tripped emergency stop buttons or safety switches on the indoor unit or associated control panel.

2. 2

   Review the indoor unit's status indicators or display for additional fault information that may have triggered the emergency stop.

3. 3

   Check power supply to the indoor unit for stability, measuring input voltage at the main terminals.