![Haier AB092ACBHA Service Manual Download Page 309](http://html.mh-extra.com/html/haier/ab092acbha/ab092acbha_service-manual_135024309.webp)
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10) Temperature cutoff protection
confirm the malfunction
according to the fault code list
yes
yes
no
yes
no
yes
no
yes
no
yes
no
Replace sensor
yes
Replace indoor PCB
Are indoor sensors for
ambient temperature and
coil properly located?
Is resistance of indoor
sensor correct?
Does four-way
valve work
properly?
Relocate
Replace four-way
valve
Is outdoor four-way valve
in good condition during
heating cycle?
Does small relay coil
of four-way valve have
a voltage of 12V DC?
no
Relay is broken.
Replace PCB
Is indoor unit
malfunction caused by
lack of refrigerant?
charge refrigerant
Is heat exchange effect
adversely affected by heavy dust
in indoor and outdoor units?
cleaning
-309-
Summary of Contents for AB092ACBHA
Page 47: ... a__WcU S c a V e a Wc AU88NATBEA 66 33 1 23 4 43 33 61 2 3 160 2 15 3 52 47 ...
Page 235: ... N2 4 C N344 C J eab d VW bc eWV V SYcS_ a__WcU S c a V e a Wc 235 ...
Page 236: ... a__WcU S c a V e a Wc N2 4 C N344 C J Taeea_ d VW bc eWV V SYcS_ 236 ...
Page 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 ...
Page 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 ...
Page 241: ... N464 C D J eab d VW bc eWV V SYcS_ a__WcU S c a V e a Wc 241 ...
Page 242: ... N464 C D J Taeea_ d VW bc eWV V SYcS_ a__WcU S c a V e a Wc 242 ...
Page 244: ... N364 A N3 4 A J eab d VW bc eWV V SYcS_ a__WcU S c a V e a Wc 244 ...
Page 245: ... N364 A N3 4 A J Taeea_ d VW bc eWV V SYcS_ a__WcU S c a V e a Wc 245 ...
Page 247: ... a__WcU S c a V e a Wc AU242AHBEA AU282AHBEA PCB top side printed diagram 247 ...
Page 248: ... a__WcU S c a V e a Wc AU242AHBEA AU282AHBEA PCB bottom side printed diagram 248 ...
Page 250: ... a__WcU S c a V e a Wc AU28NAHBEA AU36NAIBEA AU42NAIBEA PCB top side printed diagram 250 ...
Page 251: ... a__WcU S c a V e a Wc AU28NAHBEA AU36NAIBEA AU42NAIBEA PCB bottom side printed diagram 251 ...
Page 253: ... a__WcU S c a V e a Wc AU52NAIBEA PCB top side printed diagram 253 ...
Page 254: ... a__WcU S c a V e a Wc AU52NAIBEA PCB bottom side printed diagram 254 ...
Page 256: ... a__WcU S c a V e a Wc AU88NATBEA PCB top side printed diagram 256 ...
Page 257: ... a__WcU S c a V e a Wc AU88NATBEA PCB bottom side printed diagram 257 ...
Page 272: ... a__WcU S c a V e a Wc Indoor units except for AP18 AP88 PCB printed diagram 272 ...
Page 278: ... a__WcU S c a V e a Wc Cabinet indoor units PCB circuit diagram 278 ...
Page 279: ... a__WcU S c a V e a Wc Cabinet indoor units PCB printed diagram 279 ...
Page 343: ... a__WcU S c a V e a Wc 14 Air volume and external static pressure curves 343 ...
Page 364: ...MEMO Commercial Air Conditioner ...