Haier AB18CS1ERA - Page 384

382
Super Match
Error code for Outdoor unit(3U 4U 5U) conneting 4-way cassette------- ------
AB09CS2ERA AB12/18CS2ERA(S)
Outdoor
LED
display
Error code discription
Round way cassette--- indoor display outdoor error code
use the timer and running lamp OR I.D. PCB LED
Timer lamp
ash time(I.D. PCB
LED5)
Running lamp
ash time(I.D. PCB
LED1)
1 Faulty of outdoor unit EEPROM
2 1
2 IPM overcurrent or short circuit
2 2
4
Communication failure between Module
and ECU
2 4
5 Module operated overload
2 5
6 Module low or high voltage
2 6
8
Discharging temperature overheating.
Lack of refrigerant, ambient temperature
too high or PMVs blocked.
2 8
9 Malfunction of the DC fan motor
2 9
10 Malfunction of defrosting temp. sensor
3 0
11
Malfunction of compressor suction
temp. sensor
3 1
12 Malfunction of ambient temp. sensor
3 2
13
Malfunction of compressor discharge
temp. sensor
3 3
15
Communication failure between
indoor&outdoor unit
3 5
16 Lack of refrigerant or discharging
3 6
17 4-way valve switching failure
3 7
18 Loss of synchronism detection
3 8
20 Indoor thermal overload
4 0
21 Indoor frosted
4 1
23 Module thermal overload
4 3
24 Compressor start failure
4 4
25 Module input overcurrent
4 5
26 MCU reset
4 6
27
Module current detect circuit
malfunction
4 7
28
Malfunction of liquid pipe temp. sensor
for indoor unit A
4 8
29
Malfunction of liquid pipe temp. sensor
for indoor unit B
4 9
30
Malfunction of liquid pipe temp. sensor
for indoor unit C
5 0
31
Malfunction of liquid pipe temp. sensor
for indoor unit D
5 1