Haier R410A - page 99

- 99 -

Only for training and service purposes LGE Internal Use Only

Self-diagnosis function

Self-Diagnosis Function

Error Indicator

• This function indicates types of failure in self-diagnosis and occurrence of failure for air condition.

• Error mark is displayed on display window of indoor units and wired remote controller, and 7-segment LED of

outdoor unit control board as shown in the table.

•If more than two troubles occur simultaneously, lower number of error code is first displayed.

• After error occurrence, if error is released, error LED is also released simultaneously.

Error Display

1st,2nd LED of 7-segment indicates error number, 3rd LED indicates unit number.

Ex) 211 : No.21 error of master unit

213 : No.21 error of slave2

011 →051 : No.105 error of master unit

Display Title Cause of Error

Air temperature sensor of indoor unit is open or short

Inlet pipe temperature sensor of indoor unit is open or short

Failing to receive wired remote controller signal in indoor unit PCB

Malfunction of drain pump

Failing to receive outdoor unit signal in indoor unit PCB

Outlet pipe temperature sensor of indoor unit is open or short

Operation mode between indoor unit and outdoor unit is different

In case when the serial number marked on

EEPROM of Indoor unit is 0 or FFFFFF

Disconnecting the fan motor connector/Failure of indoor fan motor

lock

When the addressing signal doesn't respond for 3mins. suddenly,

while the indoor unit gets the calling signal from the outdoor unit,

Indoor unit related error

Air temperature sensor of indoor unit

Inlet pipe temperature sensor of indoor unit

Transmission error : wired remote controller

↔indoor unit

Drain pump

Transmission error : outdoor unit ↔indoor

unit

Outlet pipe temperature sensor of indoor unit

Different operation mode

Serial No.

Poor fan motor operation

Transmission error: indoor unit →main PCB

of outdoor.

01-

02-

03-

04-

05-

06-

07-

09-

10-

11-