User manual
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ERROR CODES
For information about error codes, refer to the following table. The codes are displayed flashing (alternating between temperature 
and message).
ERROR CODE  INFORMATION
E0 No communication between display and power modules. The temperature setting will be maintained at the 
mid positions. The power module will continually attempt to reestablish operation of the display module. 
The control system will revert to full automatic operation selecting the best energy source available with 
AC, GAS priority. 
E1 Hardware fault in the gas operation system.
E2 A failure of the temperature sensor device or associated electronic circuitry has occurred
TO PERFORM A DIAGNOSTIC TEST, FOLLOW THESE STEPS:
Turn off the refrigerator. 
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 LED panel will display a number of mes-
sages. These are displayed flashing - alternating between Test indication, e.g. “F”and Test result indication. e.g. “E2”.
1.
2.
3.
NO TEST FUNCTION TEST INDICATION TEST RESULT INDICATION
1 All outputs off F
E0  
E2  
Communication fault
Temperature sensor fault
The actual temperature at the sensor (°F).
2 Turn LAC (Low Ambient 
Control) heater on
LH E0 
ON
Communication fault
LAC heater on
Press the lamp switch. The lamp should still be on. 
3 Turn AC heater on AC
E0 ➛
ON ➛
“ ” ➛ 
Communication fault
AC heater on
AC heater off, AC not available
4 D+ status
Alternator voltage 
DP E0
ON
 “ ” ➛
Communication fault
D+ > 2V - ≤14 V
D+ < 2V
5 Run gas 
(one attempt only)
LP 
E0 
E1
ON
FL
“ ” ➛  
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)
TROUBLESHOOTING
DIAGNOSTIC TEST










