Mitsubishi Heavy Industries Error Code E64
High pressure protection (sensor)
Error Code Summary
| Brand | Mitsubishi Heavy Industries |
| Error Code | E64 |
| Meaning | High pressure protection (sensor) |
| Cause | High pressure transducer trip |
| Recommended Action | Check condenser, refrigerant, ambient |
How to Fix Mitsubishi Heavy Industries Error E64
- 1
Power Cycle the Unit
Turn off the unit at the breaker, wait 5 minutes, then restore power. Some errors auto-clear after a restart.
- 2
Identify the Issue
Error E64 means: High pressure protection (sensor). The most common cause is: High pressure transducer trip.
- 3
Take Corrective Action
Check condenser, refrigerant, ambient
- 4
Test the System
After completing repairs, run the system and monitor for the error code. If it recurs, the issue may require professional diagnosis.
Safety Notice
Always disconnect power before performing any electrical work. If you're not a certified HVAC technician, contact a qualified professional for repairs involving refrigerant, electrical components, or compressor work.
Frequently Asked Questions
What does Mitsubishi Heavy Industries error code E64 mean?
Mitsubishi Heavy Industries error code E64 indicates: High pressure protection (sensor). This is typically caused by: High pressure transducer trip.
How do I fix Mitsubishi Heavy Industries error code E64?
To fix Mitsubishi Heavy Industries error code E64: Check condenser, refrigerant, ambient. If the error persists after these steps, contact a qualified HVAC technician.
Is Mitsubishi Heavy Industries error code E64 serious?
Error code E64 (High pressure protection (sensor)) should be addressed promptly to prevent further damage to your Mitsubishi Heavy Industries system. Always turn off the unit if you notice unusual sounds, smells, or continued malfunction.