60
4. TROUBLESHOOTING
4-2-7) When there is no Power in Main PCB (AC Comp)
The unit is plugged in?
Start
Plug in the unit
Check the wire connections
1) Replace Fuse (AC 250V 2.0A)
2) Replace PCB ASS'Y
Replace PCB ASS'Y
Replace PCB ASS'Y
Normal
(Check again)
No
No
Yes
No
No
Yes
230V is applied at
SMPS PCB CN70 terminals?
Yes
SMPS PCB Fuse is blown?
No
DC320V is applied at
BD1+/- terminals?
Yes
DC 6.2V is applied at
TOP S/W 245P #3 - #4?
Yes
12V is applied at C110
terminals?
Yes
5V is applied at C113
terminals?
Yes
Panel PCB operates
normally?
Yes
Loads such as Relay
operate normally?
Yes
Is there PCB Short
or breakage?
No
Replace PCB ASS'Y
Replace PCB ASS'Y
1) Check the wire connections
2) Replace Panel PCB
1) Check Lead Wire connections
2) Replace Relay or PCB ASS'Y
1) Do Re-soldering
2) Replace PCB MAIN
No
No
No
No
Yes
- Check the connection of
Door Panel PCB
Caution
There is AC230V or DC310V
at the MAIN PCB Power
Circuit. So, be cautious
when repairing the unit or
measuring values.
- When checking the MAIN PCB,
refer to the Operation descriptions
and the "Reference" section.
Summary of Contents for RL60GG Series
Page 75: ...75 5 PCB DIAGRAM 5 3 Connector Layout and Description Main Board 5 3 1 Q G J OPTION...
Page 76: ...76 5 PCB DIAGRAM 5 3 2 R P Z H Option...
Page 77: ...77 5 PCB DIAGRAM 5 3 3 L Option...
Page 78: ...78 5 PCB DIAGRAM 5 3 4 W E Option...
Page 80: ...80 5 PCB DIAGRAM IPM DIODE VOLTAGE 5 5 IPM Diode Voltage...
Page 81: ...81 6 WIRING DIAGRAM 6 1 Q G J OPTION...
Page 82: ...82 6 WIRING DIAGRAM 6 2 R P Z H Option...
Page 83: ...83 6 WIRING DIAGRAM 6 3 L Option...
Page 84: ...84 6 WIRING DIAGRAM 6 4 W E Option...
Page 85: ...85 6 WIRING DIAGRAM 6 5 S Option...
Page 86: ...86 7 CIRCUIT DIAGRAM 7 1 Schematic Diagram PBA Main 7 1 1 Q G J OPTION...
Page 87: ...87 7 CIRCUIT DIAGRAM 7 1 2 R P Z H L Option...
Page 88: ...88 7 CIRCUIT DIAGRAM 7 1 3 W E S Option...
Page 89: ...89 7 CIRCUIT DIAGRAM 7 2 Schematic Diagram PBA Inverter...
Page 90: ...90 7 CIRCUIT DIAGRAM 7 3 Block Diagram PBA Main...
Page 91: ...91 7 CIRCUIT DIAGRAM 7 4 Block Diagram PBA Inverter G H L P R Z Option...
Page 92: ...92 7 CIRCUIT DIAGRAM 7 5 Block Diagram PBA Inverter Q J Option...