Midea MSC-07CRN1 - Display Board Indicators; Troubleshooting Guide

Service manual
40
13. Troubleshooting
13.1 Display board
Thi s indicator illuminates when the air conditioner is in AUTO operation.
AUTO indicator
DE FROST indicator (F or Cooling & H eating mo dels only)
Thi s indicator illuminates when the air conditioner starts defrosting automatically or
when the warm air control feature is activated in he ating oper ation.
1
22
3
4
5
1
22
3
4
Displays the temperature settings when the air conditioner is operational.
This indicator flashe s after power is on and illuminates when the unit is in operation.
This indicator il luminates when TIMER is set ON/OFF.
OPERATION in dicator
TIMER indicator
TEMPERATUR E indicator
5
Signal receptor
13.2 Troubleshooting
Failure phenomenon
Operation
lamp
Timer
lamp
Indoor fan speed has been out of control for over 1 minute
☆
X
Indoor room temp. or evaporator sensor is open circuit or short circuit
☆
On
Over current protection of the compressor occurs 4 times
X
☆
EEROM error On
☆
No over-zero signal
☆
☆
r Extinguish
☆
Flash at 5Hz