Midea MFA-76CRN1 - Troubleshooting

Troubleshooting R410A Tropical Split Type Technical Manual
116
9. Troubleshooting
Type LED1 LED2 Remarks
Standby
☆ ☆
-
Cooling mode
◆ ◇
-
Heating mode
◆ ◆
-
Defrosting mode
◇ ◆
-
Phase sequence protection
◆ ●★
Manual reset
Communication failure
◆ ●●★
Manual reset
Outdoor condenser temp. sensor error
◆ ●●●★
Manual reset
Outdoor ambient temp. sensor error
◆ ●●●●★
Manual reset
Protection of low pressure
◇ ●★
Auto reset
Protection of high pressure
◇ ●●★
Auto reset
Protection of over-current
◇ ●●●★
Auto reset
Protection of condenser hi-temp.
◇ ●●●●★
Auto reset
Note:
☆: Light for 1 second, extinguish for 1 second;
◆: Light;
◇: Extinguish;
●: Light for 0.4 second, extinguish for 0.4 second;
★: Light for 2 second, extinguish for 2 second.