Haier AU282AHBEA Service Manual page 294

12 03(03H) 20D
13 13(0DH) 31D
15 05(05H) 17D
17 80(50H) 15D
18 12(0CH) 23D
Fault in outdoor coil/suction Sensor
line sensor short-circuit for 2min or longer.
Temperature shut-off Directional valve malfunction
repeats three times.
EEPROM error EEPROM data loss
Compressor overheat Detected
discharge line is higher than
120°C.
Fault in operation mode Indoor units operate in different
modes.
is open-circuit or Restorable when
given corrective
signal.
Restorable
repair.
Default
operation/reset
restoration.
temperature of Restorable when
lower than 100°C.
Restorable
same operation
mode.
>a__WcU[S^ <[c >a`V[e[a`Wc
To test input signal of Hardware
system. voltage division
after To prevent malfunction Sensor,
of four-way valve. system, control board
To set data/control EEPROM, data match, control
parameter. board
To prevent overload Temperature,
(temperature pressure, system
parameter).
in To ensure same User setting
operation mode.
connection, I/O
four-way valve,
fan motor,