Fan Speed Is Operating Outside Of The Normal Range (Eh03) - Midea DLFSHB Manual

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DIAGNOSIS AND SOLUTION (CONT)

Fan speed is Operating Outside of the Normal Range (EH03)

Description: When the indoor fan speed maintains a low speed (ex. 300RPM) or a speed that is too high (ex.1500RPM) for a
certain time, the unit stops and the LED displays the failure or when the outdoor fan speed registers below 200RPM or over
1500RPM for an extended period of time, the unit stops and the LED displays the failure (EHO3).
Recommended parts to prepare:
• Wiring
• Faulty fan assembly
• Faulty fan motor
• Faulty PCB
Troubleshooting and Repair:
Power off, then restart after 2 minutes.
Check the fan motor wiring.
Is it within normal parameters ?
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
Is there still a problem?
YES
Shut off the power supply.
ROtate the fan by hand.
Does it turn easily ?
YES
Is it improperly wired ?
YES
Measure the voltage for
the fan motor from the PCB.
YES
Replace the fan motor.
NO The unit is operating normally.
NO Find the cause of the problem and resolve it.
Ensure the proper connections.
Replace the
NO
indoor/outdoor PCB.
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