Haier HBU-48CH03, HBU-48HJ03, HBU-48CK03, HBU-42CH03 Failure code list, When Trouble Happens

Models: HBU-42CI03 HBU-28CH03 HBU-28HH03 HBU-48CH03 HBU-36HH03 HBU-42HI03 HBU-42CH03 HBU-48CK03 HBU-48HJ03

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Failure code list

When Trouble Happens

Failure code list

Failure code

Power lamp flash

on wired

times/LED on

controller

PCB flash times

E0

10

E1

1

E2

2

E3

3

failure description

Reasons

Fault in drain system

Float switch is open

Indoor ambient

Sensor broken down or short circuit for

temp. sensor failure

more than 2m continuously

Indoor pipe

Sensor broken down or short circuit for more

temp. sensor failure

than 2m continuously

Outdoor ambient

Sensor broken down or short circuit for more

temp. sensor failure

than 2m continuously

E44

E55

6

E6

Outdoor pipe or discharge temp . sensor failure

overcurrent

High pressure malfunction

Sensor broken down or short circuit for more than 2m continuously or outdoor discharge temp. over 120Manual background for 3 times continuously in 30m

Indicate phase failure when been electrified for the first time, indicate overcurrent protection during working procedure

Outdoor high pressure switch acts

16

E88

E99

Low pressure malfunction

C o m m u n i c a t i o n failure between indoor PCB and panel or wired controller

C o m m u n i c a t i o n failure between indoor and outdoor unit

Outdoor low pressure switch acts or the proctector on the top of compressor breaks for protection

Communication abnormal for more than 4m continuously

Communication between indoor PCB and outdoor PCB open for more than 4m

E7

13

Temperature cutoff

System failure. System cooling or heating

protection

function abnormal

 

 

12

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Haier HBU-48CH03, HBU-48HJ03, HBU-48CK03, HBU-42CH03, HBU-42HI03, HBU-36HH03 Failure code list, When Trouble Happens