mrcool.com37
MAINTENANCE
4
E3 Statuses
1. Low pressure protection
2. Low refrigerant protection
3. Refrigerant recycling mode
1. If unit enters refrigerant recycling mode through special operation, the displayed E3 is not an error
code. It will be eliminated when exiting refrigerant recycling mode.
2. If you do not want to have low refrigerant protection, enter the debugging mode through the wired
controller then cancel the low refrigerant protection mode.
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