EasyManuals Logo

LG LRBP1031T Service Manual

LG LRBP1031T
36 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #22 background imageLoading...
Page #22 background image
4) LOAD/BUZZER OPERATION, DOOR OPENING SENSING CIRCUIT
(1) LOAD OPERATION CHECK
• If the DOOR-R is opened during FAN MOTOR is operated, FAN MOTOR is stopped immediately.
• The A , B of DOOR S/W-R is connected DOOR OPEN DETECTION CIRCUIT as follow.
• If the DOOR-R is opened or closed, then the DOOR S/W-R is ON/OFF, and the LAMP-R is ON/OFF,
and at the same time, S/W of the A , B of DOOR S/W-R for detection of DOOR-R open is ON/OFF.
(2) DOOR OPENING PERCEPTION CHECK
*NOTICE: If you would change DOOR S/W-R, must use the componenot of right PART NUMBER. Because there is a similar
type DOOR S/W-R of NOT MICOM MODEL, it's logic of the A , B of DOOR S/W-R is reversed.
• Even though LAMP-R is operated a normal ON/OFF according to DOOR S/W-R, but the MICOM couldn't detect a
DOOR-R opened or closed of lead wire of the A , B is abnormal or S/W of the A , B of DOOR S/W-R is abnormal.
• When DOOR-R open isn't detected : Even though DOOR-R is opened, FAN MOTOR couldn't stop.
When DOOR-R close isn't detected : Even though DOOR-R is closed, BUZZER sounds a DOOR OPEN ALARM.
check a lead wire of the A , B and DOOR S/W-R.
- 22 -
KIND OF LOAD
COMP,
FAN MOTOR DEFROSTING HEATER
COMP COOLING FAN
MEASURING POINT (IC4) No.11 No.12 No.13
ON below 1V
STATE
OFF 12V
MEASURING POINT
NO.13 OF IC 1 (MICOM)
REFRIGERATOR DOOR
CLOSE 5V(S/W of A , B is OFF state)
OPEN 0V(S/W of A , B is ON state)

Other manuals for LG LRBP1031T

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the LG LRBP1031T and is the answer not in the manual?

LG LRBP1031T Specifications

General IconGeneral
BrandLG
ModelLRBP1031T
CategoryRefrigerator
LanguageEnglish

Related product manuals