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TROUBLESHOOTING & DIAGNOSTIC TEST
DIAGNOSTIC TEST
This section is intended for service personnel.
To perform a diagnostic test:
Turn off the refrigerator. (Press the ON/OFF button.)
Press and hold the TEMP. SET button and then,
press the ON/OFF button.
Release the TEMP. SET button. Press it again
to toggle the list of functions step by step.
For information about test functions and indications, refer to the following table.
The messages are displayed flashing - alternating between “Test indication” and “Test result indication”.
1.
2.
3.
No Test function Test indication Test result indication
1 All outputs off
F
E 0 ➛
E 2 ➛
Communication fault
Temperature sensor fault
“Unfiltered temperature in F”
2 Turn LAC heater on
L H
E 0 ➛
O N ➛
Communication fault
LAC heater on
Press the lamp switch. The lamp should still be on.
3 Turn AC heater on
A C
E 0 ➛
O N ➛
“ ” ➛
Communication fault
AC heater on
AC heater off, AC not available
4 D+ status (if D+ is connected)
Not available on all models
d P
E 0 ➛
O N ➛
“ ” ➛
Communication fault
D+ high
D+ low
5 Run gas
(one attempt only)
L P
E 0 ➛
E 1 ➛
O N ➛
F L ➛
“ ” ➛
Communication fault
Igniter and valve off, gas hardware fault
Igniter and valve on
Igniter off and valve on, flame detected
Igniter and valve off, gas problem (check gas)
(If flame is not ignited within 45 seconds)