Refrigerant Leak Detection; Point Check Function; Information Enquiry - Midea DLCERAA12AAJ Service Manual

Refrigerant Leak Detection

With this new technology, the display area displays "EC" when the
outdoor unit detects a refrigerant leak. This function is only active in
cooling mode. It can better prevent the compressor being damaged by
refrigerant leakage or compressor overload.

Point Check Function

Press the remote controller's LED DISPLAY or LED or MUTE button three times, and then press the AIR DIRECTION or SWING button three
times in ten seconds, the buzzer rings for two seconds. The air conditioner enters into the information enquiry status.
Press the LED DISPLAY or AIR DIRECTION button to check the next or front item's information.
When the air conditioner enters the information enquiry status, it displays the code name in 2 seconds (see Table 9).
ENQUIRY INFORMATION
T1
T2
T3
T4
T2B
TP
TH
Targeted Frequency
Actual Frequency
Indoor Fan Speed
Outdoor Fan Speed
EXV Opening Angle
Compressor continuous running time
Compressor stop causes
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve
Reserve
20
Open Condition: When the compressor is active, the value of the Coil
temperature of evaporator T2 has no change or very little change.
_
46 F (8
When the compressor is running, the indoor fan motor runs without the
ANTI−COLD air function. When the compressor is off, the indoor fan
motor is off.
Table 9—Information Enquiry
DISPLAYING CODE
T1
T2
T3
T4
Tb
TP
TH
FT
Fr
IF
OF
LA
CT
ST
A0
A1
b0
b1
b2
b3
b4
b5
b6
dL
Ac
Uo
Td
Specifications subject to change without notice.
_
C) Heating
Targeted Frequency
Actual Frequency
Indoor fan speed
Outdoor fan speed
EXV opening angle
Compressor continuous running time
Compressor stop causes
MEANING
T1 temp.
T2 temp.
T3 temp.
T4 temp.
T2B temp.
TP temp.
TH temp.
32808001101