Haier 3U19FS1ERA Installation Manual

15
Trouble shooting
Timer lamp
flash time
Running lamp
flash time
Faulty of outdoor unit EEPROM 1 15 2 1
IPM overcurrent or short circuit 2 16 2 2
Communication failure between Module and ECU
Communication cables broken or not well connected.
41824
Module operated overload 5 19 2 5
Module low or high DC voltage(under 192V or above
375V)
6 1A 2 6
Discharging temperature overheating.Lack of refrigerant,
ambient temperature too high or PMVs blocked.
81C28
Malfunction of the DC fan motor 9 1D 2 9
Malfunction of defrosting temp. sensor 10 1E 3 0
Malfunction of compressor suction temp. sensor 11 1F 3 1
Malfunction of ambient temp. sensor 12 20 3 2
Malfunction of compressor discharge temp. sensor 13 21 3 3
Communication failure between indoor&outdoor unit 15 23 3 5
Lack of refrigerant or discharging pipe blocked 16 36 3 6
4-way valve switching failure 17 25 3 7
Module overcurrent /Module switch failure 18 26 3 8
Indoor overload 20 28 4 0
Indoor frosted 21 29 4 1
Module temperature too high (Overload Protecter) 23 2B 4 3
Compressor overcurrent 24 2C 4 4
Input overcurrent 25 2D 4 5
MCU reset 26 2E 4 6
Module current detect circuit malfunction 27 2F 4 7
Malfunction of liquid pipe temp. sensor for indoor unit A 28 30 4 8
Malfunction of liquid pipe temp. sensor for indoor unit B 29 31 4 9
Malfunction of liquid pipe temp. sensor for indoor unit C 30 32 5 0
Malfunction of liquid pipe temp. sensor for indoor unit D 31 33 5 1
Malfunction of gas pipe temp. sensor for indoor unit A 32 34 5 2
Malfunction of gas pipe temp. sensor for indoor unit B 33 35 5 3
Malfunction of gas pipe temp. sensor for indoor unit C 34 36 5 4
Malfunction of gas pipe temp. sensor for indoor unit D 35 37 5 5
Malfunction of gas pipe temp. sensor for indoor unit E 36 38 5 6
Malfunction of module temp.sensor 38 3A 5 8
Malfunction of condensing temp. sensor 39 3B 5 9
Malfunction of liquid pipe temp. sensor for indoor unit E 40 3C 6 0
Malfunction of piping temp. sensor 41 3D 6 1
System high pressure switch off 42 3E 6 2
System low pressure switch off 43 3F 6 3
System high pressure protection.Refrigerant
overabundance,High condensing temp. or
malfunction of fan motor.
44 40 6 4
System low pressure protection.Refrigerant shortage,
Low defrosting temp., or malfunction of fan motor.
45 41 6 5
Malfunction of module temp.sensor 46 42 6 6
Cassette and convertible
indoor display outdoor error
code use the timer and runing
lamp
Wired
controller
display
Outdoor LED
display
Possible reasons

Haier 3U19FS1ERA Specifications

General

Brand	Haier
Model	3U19FS1ERA
Category	Air Conditioner
Language	English