York YJHMXH007BARR-FX Service Manual page 107

Remarks
1.the dotted parts are optional for
different unit.
2.The components of main pcb boa rd is
fixed facing to the compressor .
WARNING!
DANGER ELECTRIC SHOCK!
1.DON'T TOUCH PCB,EVEN
AFTER PLUG-OFF ( DANGER OF
ELECTRIC SHOCK )
2.THE POINTED PARTS ARE
HIGH VOLTAGE. DON'T TOUCH
THE POINTED PARTS UNTIL THE
VOLTAGE IS LESS THAN DC 10V.
Remarks:
1.Fault diagnosis by LED1 on
outdoor unit PCB.
2.Count times of LED1 flashing
to judge the malfunction.
3.The details
L E D 1 F L A S H IN G abnorm al
refer to the
technology
L E D 1 O N
notebook
L E D 1 O F F
OF ELECTRIC SHOCK)
USE A TESTER TO CONFIRM THE VOLT AGE BETWEEN CONNECTOR
OR LED2 EXTINGUISHED.
a ccording to tim e s of LE D 1
fla sh in g to che ck
check the indoor unit
n o rm al
pow er supply fa ult or check
abnorm al
the m ain P C B board
105
DON'T TOUCH CAPACITOR, EVEN AFTER PLUG-OFF ( DANGER
THE CAPACITOR RETAINS HIGH VOLTA GE EVEN AFTER THE PLUG-OFF.FOR
YOUR SAFETY,BE SURE TO WAIT AT L EAST 5 MINUTES.AFTER PLUG OFF AN D
(ON MAIN PCB BOARD) IS LESS THAN DC 10V BEFORE START SERVICING
DON'T TOUCH CAPACITOR,
EVEN AFTER PLUG-OFF ( DANGER
OF ELECTRIC SHOCK)
THE CAPACITOR RETAINS HIGH
VOLTAGE EVEN AFTER THE
PLUG-OFF.FOR YOUR SAFETY,BE
SURE TO WAIT AT LEAST 5
MINUTES.AFTER PLUG OFF AND
USE A TESTER TO CONFIRM THE
VOLTAGE BETWEEN CONNECTOR
AND (ON MAIN PCB
BOARD) IS LESS THAN DC 10V
BEFORE START SERVICING OR
LED2 EXTINGUISHED.
Wring diagram
AND
Domestic air conditioner