TROUBLESHOOTING
De lux e Control Cook & Hold ▪ Service Manu al ▪ MN -46 712 ▪ Rev 01 ▪ 11 /20
45
TROUBLESHOOTING
Error Codes
DELUXE CONTROL
Code Description Cause Remedy
E-10 Cavity probe shorted
Short circuit detected on
sensor wires.
1. Sensor connection
2. Sensor
3. Control Board
E-30 Unit under temperature
Cavity temperature remains
25°F (14°C) below target for
more than 90 minutes.
Troubleshoot heating element
E-31 Unit over temperature
Cavity temperature is 50°F
(28°C) above max allowable
cook temperature of 325°F
(163°C).
1. Cooling fan not operating
2. Installation clearance
requirements not met
E-78 Under voltage
Supply voltage falls below
200V (error doesn't show on
screen).
Correct the supply voltage
E-79 Over voltage
Supply voltage exceeds 250V
(error doesn't show on screen).
Correct the supply voltage
E-94 Communication
No signal transfer for more
than 5 seconds between the
Interface Board and the
Control Board.
1. Connection of Modbus Cable
2. Modbus Cable
3. Control Board
4. Interface Board
E-108 Check fans
Insufficient internal cooling
airflow.
1. Cooling fan filters dirty
2. Cooling fans not operating
3. Installation clearance
requirements not met
E-109
High Limit NOTE: Any oven experiencing
this error should be investigated by an
authorized Alto-Shaam service provider.
Open circuit detected across
High Limit Switch
1.Heat Relay(s) stuck closed
2.Connection between High
Limit Switch and Control Board
3.High Limit Switch
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