1
Module
error
Overheat, overcurrent or
short-circuit
Off On-off
1
2
No load
Current sensor is broken or
compressor is not started.
Off On-off
2
3
Overheated
compressor
Compressor temperature
>120
°C
Off On-off
4
4 Total overcurrent
Current >17A
Off
On-off
5
5
Fault in ambient
temperature sensor
Short-circuit/open-circuit Off
On-off 6
6
Fault in heat
exchange sensor
Short-circuit/open-circuit Off
On-off 7
7
ROM of single chip
micro-controller is
broken
ROM is broken.
Off
On-off
8
8
Overvoltage
protection
Voltage >270V
Off
On-off
10
9
Overload in cooling
Heat exchange temperature
of outdoor unit >72
°C
Off On-off
12
10 E2ROM error
E2ROM is broken.
Off
On-off
14
Fault with
outdoor
unit
LED1, LED2, LED3 and LED4 for outdoor unit are used to show fault information:
LED4 LED3 LED2 LED1 Remarks
No.
(Fault
code)
Fault name
Possible causes
Status Status Status Status
1 Module
error
Overheat,
overcurrent
or short-circuit
Off
Off
Off
On
2 No
load
Current sensor is broken or
compressor is not started.
Off Off
On
Off
3 Transmission
error (reserved)
Off
Off
On On
4 Overheated
compressor
Compressor
temperature >120
°C
Off
On
Off Off
5
Total overcurrent
Current >17A
Off
On
Off
On
6 Fault in ambient
temperature sensor
Short-circuit/open-circuit
Off
On On
Off
7 Fault in heat
exchange sensor
Short-circuit/open-circuit
Off
On On
On
8 Low
pressure
protection
Gas is inadequate.
On
Off
Off Off
9 Fault in compressor
sensor
(reserved) On
Off
Off
On
10 Overvoltage
protection
Voltage >270V
On
Off
On
Off
Fault
with
outdoor
unit
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-291-
Содержание AB092ACBHA
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Страница 236: ... a__WcU S c a V e a Wc N2 4 C N344 C J Taeea_ d VW bc eWV V SYcS_ 236 ...
Страница 238: ... N364 A D N3 4 A E J eab d VW bc eWV V SYcS_ a__WcU S c a V e a Wc 238 ...
Страница 239: ... N364 A D N3 4 A E J Taeea_ d VW bc eWV V SYcS_ a__WcU S c a V e a Wc 239 ...
Страница 241: ... N464 C D J eab d VW bc eWV V SYcS_ a__WcU S c a V e a Wc 241 ...
Страница 242: ... N464 C D J Taeea_ d VW bc eWV V SYcS_ a__WcU S c a V e a Wc 242 ...
Страница 244: ... N364 A N3 4 A J eab d VW bc eWV V SYcS_ a__WcU S c a V e a Wc 244 ...
Страница 245: ... N364 A N3 4 A J Taeea_ d VW bc eWV V SYcS_ a__WcU S c a V e a Wc 245 ...
Страница 247: ... a__WcU S c a V e a Wc AU242AHBEA AU282AHBEA PCB top side printed diagram 247 ...
Страница 248: ... a__WcU S c a V e a Wc AU242AHBEA AU282AHBEA PCB bottom side printed diagram 248 ...
Страница 250: ... a__WcU S c a V e a Wc AU28NAHBEA AU36NAIBEA AU42NAIBEA PCB top side printed diagram 250 ...
Страница 251: ... a__WcU S c a V e a Wc AU28NAHBEA AU36NAIBEA AU42NAIBEA PCB bottom side printed diagram 251 ...
Страница 253: ... a__WcU S c a V e a Wc AU52NAIBEA PCB top side printed diagram 253 ...
Страница 254: ... a__WcU S c a V e a Wc AU52NAIBEA PCB bottom side printed diagram 254 ...
Страница 256: ... a__WcU S c a V e a Wc AU88NATBEA PCB top side printed diagram 256 ...
Страница 257: ... a__WcU S c a V e a Wc AU88NATBEA PCB bottom side printed diagram 257 ...
Страница 272: ... a__WcU S c a V e a Wc Indoor units except for AP18 AP88 PCB printed diagram 272 ...
Страница 278: ... a__WcU S c a V e a Wc Cabinet indoor units PCB circuit diagram 278 ...
Страница 279: ... a__WcU S c a V e a Wc Cabinet indoor units PCB printed diagram 279 ...
Страница 343: ... a__WcU S c a V e a Wc 14 Air volume and external static pressure curves 343 ...
Страница 349: ...1 8 0 2 4 25 27 22 5 5 heating air discharge angle 45 Temperature distribution a__WcU S c a V e a Wc 349 ...
Страница 357: ...1 8 0 2 4 25 27 22 5 5 heating air discharge angle 45 Temperature distribution a__WcU S c a V e a Wc 357 ...
Страница 364: ...MEMO Commercial Air Conditioner ...