3-1-14. TEST FUNCTION
1. Test function is intended to check function of PCB and the product and find a failure part with failure status.
2. The test S/W exists on the main PCB, and ends the test mode after 2 hours irrespective of the test mode, and then
returns to normal status.
3. Function button is neither detected, nor button recognition sound comes out during the test mode.
4. Ensure to take the power cords out in completion of the test mode so that normal status will be arrived.
5. Release the test mode and display the failure mode if failure such as sensor failure during the test mode.
6. No test mode is performed even when pressing the test button during display of failure code.
• Display check function
All displays turn on if pressing both upper “Store” button and lower “Store” button at the same time for 1 second or more,
and return the previous status if releasing the button.
• FRONT-C Heater touching inspection mode
The FRONT-C heater consecutively turns on for 5 minutes and is then released if pressing both upper “Store” button and
lower “Ferment” button for 5 seconds or more. It is released if pressing them again for 5 senconds or more.
- Release check: Remaining time display part of the lower compartment turns on with pressing for 5 seconds or more.
- Input check: Display for the flavor keeping part turns on with pressing for 5 seconds or more.
- 14 -
Check Lower compartment
cooling system.
Check Upper compartment
cooling system.
Upper def. sensor at more then
7¡C & middle def. sensor at
more then 16¡C comes to
initial state.
Ò44Ó
Ò33Ó
Ò22Ó
Ò11Ó
Display
Return to initial state, COMP operates after a delay of 7 min.
Normal
mode
ON/ON
OFF/ON
ON
OFF/OFF
TEST4
OFF/OFF
ON/OFF
ON
TEST3
OFF/OFF
OFF/OFF
ON/ON
OFF
Press the test
s/w once during
test mode1
Press the test
s/w once during
test mode2
Press the test
s/w once during
test mode3
Press the test
s/w once during
test mode4
TEST2
Return to normal state when min.
2hrs have passed.
*upper/middle fan motor,
middle/lower damper and 3 way
valve operates in interval of
16/24 min.
OFF/OFF
ON/OFF
OFF/OFF
OFF/OFF
ON
Press the test
s/w once
TEST1
remarks
Damper
(middle/lower)
Stepping/
single motor
Fan
Upper/middle
Def heater
Upper/middle
COMP
Operation
Mode
Summary of Contents for Dios GR-J303UG Series
Page 5: ...2 CIRCUIT DIAGRAM 5 ...
Page 27: ...3 4 PCB PARTS DIAGRAM AND LIST 3 4 1 PWB PCB ASSEMBLY MAIN 1 Parts diagram 27 6871JB1129 S ...
Page 28: ... 2 Parts List 28 ...
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Page 30: ...3 4 2 PWB PCB ASSEMBLY DISPLAY STANDARD 1 Parts diagram 30 2 Parts List ...
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Page 33: ...3 5 2 PWB PCB ASSEMBLY DISPLAY CIRCUIT DIAGRAM 33 ...
