Tag: mrcool
All the articles with the tag "mrcool".
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MRCOOL DIY-12-HP-WMAH-230C25 Problems & Error Codes
E1/EL01 communication error is most common, usually from loose terminal wiring or reversed polarity at the indoor or outdoor unit.
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MRCOOL DIY-18-HP-WMAH-230C25 Problems & Error Codes
E1/EH01 communication errors are most common, usually caused by loose terminal wiring or swapped conductors between indoor and outdoor units.
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MRCOOL DIY-24-HP-WMAH-230C25 Problems & Error Codes
E1 communication error is most common, usually caused by loose terminal screws or mis-seated wires at indoor or outdoor unit connections.
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Mr. Cool DIY Mini Split Error Codes — Complete Fault Code Guide
Complete guide to Mr. Cool DIY mini split error codes, what each fault means, and step-by-step troubleshooting for communication, sensor, and protection faults.