
68
Diagnostics
CN70
�
PIN;F LAMP WIRE PINK
CN71
�
PIN;R LAMP WIRE BLACK
R DOOR SIGNAL MICOM #43
OPEN :0V,CLOSE :5V
F DOOR SIGNAL MICOM #42
OPEN :0V,CLOSE :5V
FLA MP#24
RLA MP#29
F LAMP IC70 #13
F LAMP IC70 #16
FLA MPK73
RLA MPK75
NO
Is the contact
state of connector CN70 & CN71
normal?
Re-check the ccutact of the
connector CN70 & CN71
Normal / Re-check
YES
NO
NO
NO
NO
Check connector CN30,
soldering & short/Change PCB
Are the
voltages of MICOM #42 &
#43 for DOOR SWITCH
normal?
Are MICOM #24 
"HIGH"(5V)?
Are IC70 #13 
"LOW"?
Are lamp controlling
relay (K73 &K75)
normal?
YES
Change PCB
Change PCB
YES
Change PCB
• Refer to the list (15-1)
YES
YES
NO
Is Room LAMP(R,F)
normal?
Change LAMP
NO
Is DOOR SWITCH normal?
Change DOOR SWITCH
YES
NO
DOOR OPEN
Is DOOR OPEN?
Start
YES
YES
Содержание RB215B Series
Страница 7: ...5 WARRANTY INFORMATION 7...
Страница 11: ...11 Refrigeration Cycle and Cool Air Circulation Route 7 2 Cool Air Circulation...
Страница 87: ...87 20 WIRING SCHEMATIC...