Haier AB072XCEAA Service Manual - Page 76
Diagnostic, for outdoor unit
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Chff^j\bZe Abj Chg]blbhg^j Diagnostic code for outdoor unit (1) The PCB 0010451214 and 0010451848 for FREE-MULTI outdoor unit run the same procedure. Outdoor lamp flash times 1 2 3 4 5 6 7 9 10 11 13 15 Failure description Discharge pipe A overheat Outdoor coil temp. sensor A failure Outdoor ambient temp. sensor failure Discharge sensor A failure Outdoor coil (suction) temp. sensor B failure Discharge sensor B failure Discharge pipe B overheat Low pressure abnormal Communication error between indoor and outdoor units Over-current protection High pressure abnormal EEPROM failure z 74 z
(1)
The PCB 0010451214 and 0010451848 for FREE-MULTI outdoor unit run the same
procedure.
Outdoor lamp flash times
Failure description
1
Discharge pipe A overheat
2
Outdoor coil temp. sensor A failure
3
Outdoor ambient temp. sensor failure
4
Discharge sensor A failure
5
Outdoor coil (suction) temp. sensor B failure
6
Discharge sensor B failure
7
Discharge pipe B overheat
9
Low pressure abnormal
10
Communication error between indoor and outdoor units
11
Over-current protection
13
High pressure abnormal
15
EEPROM failure
Diagnostic
code
for outdoor unit
±²³³´µ¶·¸¹ º·µ ±²»¼·½·²»´µ
±
7
4
±