Midea AURORA ONOFF Series User Manual

 Troubleshooting 3 
2. General Troubleshooting
2.1 Error Display (Indoor Unit)
When the indoor unit encounters a recognized error, the operation lamp will flash in a corresponding series, the timer
lamp may turn on or begin flashing, and an error code will be displayed. These error codes are described in the following
tables:
Operation
Lamp
Timer
Lamp
Display Error Information Solution
1 time OFF
E1
Indoor unit EEPROM parameter error TS14
2 times OFF
E2
Zero-crossing signal detection error TS15
3 times OFF
E3
The indoor fan speed is operating outside of the normal range TS16
5 times OFF
E5
Indoor room temperature sensor T1 is in open circuit or has short
circuited
TS19
6 times OFF
E6
Evaporator coil temperature sensor T2 is in open circuit or has short
circuited
TS19
7 times OFF
E7
Condenser coil temperature sensor T3 or Outdoor room temperature
sensor T4 is in open circuit or has short circuited(for some models)
TS19
2 times ON
EC
Refrigerant leak detected TS20
8 times OFF
E8
The outdoor fan speed is operating outside of the normal range (for
some models)
TS16
9 times OFF
E9
Indoor / outdoor unit communication error(for some models) TS21
7 times FLASH
P6
High pressure protection(for some models)
TS23
For some models:
Operation
Lamp
Timer
Lamp
Display Error Information Solution
1 time OFF
Eh 00
Indoor unit EEPROM parameter error TS14
3 times OFF
EH 02
Zero-crossing signal detection error TS15
4 times OFF
EH 03
The indoor fan speed is operating outside of the normal range TS16
6 times OFF
EH 60
Indoor room temperature sensor T1 is in open circuit or has short
circuited
TS19
6 times OFF
EH 61
Evaporator coil temperature sensor T2 is in open circuit or has short
circuited
TS19
5 times OFF
EC 52
Condenser coil temperature sensor T3 or Outdoor room temperature
sensor T4 is in open circuit or has short circuited(for some models)
TS19
8 times OFF
EL 0C
Refrigerant leak detected TS20
12 times OFF
EC 07
The outdoor fan speed is operating outside of the normal range (for
some models)
TS16
2 times OFF
EL 01
Indoor / outdoor unit communication error(for some models) TS21
7 times FLASH
PC 03
High pressure protection(for some models)
TS23
For other errors:
The display board may show a garbled code or a code undefined by the service manual. Ensure that this code is not a
temperature reading.
Troubleshooting:
Test the unit using the remote control. If the unit does not respond to the remote, the indoor PCB requires replacement.
If the unit responds, the display board requires replacement.

Midea AURORA ONOFF Series Specifications

General

Brand	Midea
Model	AURORA ONOFF Series
Category	Air Conditioner
Language	English