Failed Dispenser Troubleshooting Tests - Electrolux 5995502399 Service Manual

Test 36: Ice door test -Flapper Micro-switch only
(See Flow Chart 7)
Displays "OP" when flapper is opened manually.
Test 36a: Ice door test -Flapper Solenoid &
Micro-switch (See Flow Chart 8)
Push ON/OFF pad and dispenser and the solenoid will
activate. The Freezer display will show "OP"
Test 23: Fresh food door
Freezer Display will show "OP" open when doors are
open and "CL" when door is closed.
Test 24: Freezer door
(See Flow Chart 5)
Freezer Display will show "OP" open when door is open
and "CL" when door is closed.
Test 26: DTT (Defrost Limit Switch)
Display will show "OP" open when switch is open and
"CL" when door is closed.
Test 29: Fresh food thermistor
Push the ON/OFF pad to change between F and C.
The display will show the actual temp if the thermistor
is good and "OP" or "SH" if the thermistor is open or
shorted.
Test 30: Freezer thermistor
Push the ON/OFF pad to change between F and C.
The display will show the actual temp if the thermistor
is good and "OP" or "SH" if the thermistor is open or
shorted.
Test 33: Ambient thermistor
Push the ON/OFF pad to change between F and C.
The display will show the actual temp if the thermistor
is good and "OP" or "SH" if the thermistor is open or
shorted.
NOTE: If "Er" is shown in the display, replace the main
control board.
NOTE: The Ambient thermistor is mounted on and part
of the lower control board.
Firmware Versions
After Test #33, the system software versions are
displayed. There are 5 different software versions
numbered 0 to 4. Press fresh food + key to select the
different versions and the ON/OFF pad to display the
selected version.
0 - Main board parameter version to distinguish model
1 - Used by board manufacturer only
2 - Main board software version
3 - Used by board manufacturer only
4 - UI software version
NOTES:
1. (t) used by board manufacturer only
2. (--) continuous counter function
3. Power Failure light will come on after testing is
cancelled, this is normal.
Failed Dispenser
Troubleshooting Tests
Follow the direction given below for individual
failures:
Fail Test 8 only, go to Flow Chart 2
Fail Test 10 only, go to Flow Chart 3
Fail Test 11 only, go to Flow Chart 4
Fail Test 24 only, go to Flow Chart 5
Fail Test 28 only, go to Flow Chart 6
Fail Test 36 only, go to Flow Chart 7
Fail Test 36a only, go to Flow Chart 8
Fail Dispenser LED function only, go to Flow Chart 9
Follow the direction given below for multiple failures:
Fail Tests 8, 10 and 11, go to Flow Chart 10
Fail Tests 10, 11 and 24, go to Flow Chart 11
Fail Tests 28, 36a and dispenser LED function, go to
Flow Chart 12
When handling and or replacing a control board it
is important the a technician have a wrist ground
strap on and connected to the cabinet or another
grounding position to prevent static electricity
from damaging the board.
3-10
Electronic Control