Troubles And Solutions - Midea MFJ-24ARN1-QB8 Technical & Service Manual

E3 The condenser temperature sensor T3 is open or short
E6 Protection of outdoor unit
9.2.1 LEDs for the indication of outdoor trouble
In normal operation, LEDs emit no light and they will flash at a frequency of 5 Hz when trouble
occurs. Their codes are listed in the following table:
LED1 LED2
Off Off
On Off
Off On
On On

9.3 Troubles and Solutions

Before calling for service, please review the following list of common problems and solutions.
If any of the following conditions occur, check your unit and resolve corresponding problems referring
to given remediation. If the trouble can't be settled contact our dealer.
Trouble Cause
Unit does not start Power failure.
Power switch is open.
Fuse of power switch may have blown.
Batteries remote controller are exhausted.
The time is not start-up time you have set.
Air flowing normally Temperature is not set correctly.
with low
Door or window is open.
cooling(heating)
Air filter is blocked with dust or dirtiness.
effect
Inlet/outlet of indoor/outdoor units are
blocked.
Inlet/outlet of indoor/outdoor units are
blocked.
Be in 3 minutes protection of compressor
Exploded view & spare-part
LED3 Contents
On Ok
On Phase sequence error
On Overload of current
On Lack of phase
22
Solutions
Wait for the comeback of power
Switch on the power
Replace the fuse
Replace the batteries
Wait or cancel the time set.
Set the temperature properly.
Close door and window.
Clean the air filter.
Clear all blockages.
Clear the blockage, then restart
your operation.
Wait