E2
Remote Controller Clock Function Error
Mitsubishi Electric · PUZ-HA30/36NHA4 Outdoor Unit
What does E2 mean?
The clock function of the remote controller cannot be operated normally. This indicates a defective remote controller.
Common Causes
- Remote controller's internal clock function is experiencing errors.
- Corrupted real-time clock data.
- Failure of the clock's backup battery (if applicable).
- Software issue within the remote controller.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Replace the remote controller.
Verified technical data. Last updated: March 2026
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Source: Mitsubishi Electric PUZ-HA30/36NHA4 Outdoor Unit