51
TROUBLESHOOTING
4. TROUBLE-SHOOTING
52
4-2-7. When the Panel PCB does not operate normally
PANEL PCb Connector
is inserted normally?
Start
Insert Connector again Repair the
contact trouble
NO
YES
MAIN PCb Connector
(CN50) is inserted normally?
Insert MAIN PCb Connector
again
NO
YES
MAIN PCb CN50 signal is normal?
Check voltage / Replace MAIN
PCb
NO
YES
When replacing Panel-
PCb, it lights up?
Replace Panel PCb
YES
NO
Change PCb
1. Check Panel Wires - Check Wire Cut or Short
2. Check Main PCb Pantry Panel
3. Check wire connection between Panel
↔
MAIN
2) When the Panel PCb buttons do not work
* When it keeps troubling after check with the above procedures
buttons get stuck
being pressed down?
Re-assemble PCb ASS'y or clear
the restriction
NO
buttons still do not
work when testing with the
removed PCb?
Re-assemble PCb ASS'y or
clear the restriction
YES
NO
It lights up when the
Panel-PCb is replaced?
Replace Panel PCb
YES
NO
When pressing the buttons,
MAIN PCb CN40 "4" outputs
normal voltage?
1. Replace MAIN PCb
2. Check MAIN Panel Wire
Short
NO
YES
Change PCb
1. Check Panel Wires - Check Wire Cut or Short
2. Check if the Pantry Panel circuitry is short or open at
MAIN PCb
YES
Common PCb
Ground
REG1 body
Display buttons do
not work.
☞
how to check the v oltage
based on PCb Common Ground CN30-8"(Gray)
1) button v oltage ; CN40-"4"(W/blue)
1) Off (0.0v)
2) On (0.80v or higher)
TWIN 냉동고 SM.indd 52
2009.4.9 2:56:21 PM
Summary of Contents for RZ60EESW1
Page 15: ...15 2 5 DIMENTION 2 Product Specifications TWIN 냉동고 SM indd 15 2009 4 9 2 55 41 PM ...
Page 66: ...66 8 SCHEMATIC DIAGRAM 8 1 BLOCK DIAGRAM TWIN 냉동고 SM indd 66 2009 4 9 2 57 6 PM ...
Page 67: ...67 8 SCHEMATIC DIAGRAM 8 2 CIRCUIT DIAGRAM TWIN 냉동고 SM indd 67 2009 4 9 2 57 53 PM ...
