Stoelting F231 Service Manual page 51

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ERROR CODE 11 - PRIME
The Prime Error (E11) will not occur on the F231.
ERROR CODE 12 - LEFT HOPPER SENSOR
The Left Hopper Sensor Error (E12) indicates
a failure of the hopper sensor or if the sensor is
out of range. If the control panel displays an E12,
press the On/Off button for the cylinder to turn it
off then back on. If the control panel still displays
the error condition code, refer to the machine's
wiring diagram and the Temperature Sensor Chart
(Figure 4-1). Check each lead of the sensor to
ground for continuity. If continuity is found, replace
the sensor. To check the resistance of the sensor,
place a thermocouple on the suction line at the
exit of the freezing cylinder. Compare temperature
and sensor resistance with the table as reference.
If measured value does not coincide with a value
on the table (± 400 ohms), replace the sensor.
ERROR CODE 13 - RIGHT HOPPER SENSOR
The Right Hopper Sensor Error (E13) indicates
a failure of the hopper sensor or if the sensor is
out of range. If the control panel displays an E13,
press the On/Off button for the cylinder to turn it
off then back on. If the control panel still displays
the error condition code, refer to the machine's
wiring diagram and the Temperature Sensor Chart
(Figure 4-1). Check each lead of the sensor to
ground for continuity. If continuity is found, replace
the sensor. To check the resistance of the sensor,
place a thermocouple on the suction line at the
exit of the freezing cylinder. Compare temperature
and sensor resistance with the table as reference.
If measured value does not coincide with a value
on the table (± 400 ohms), replace the sensor.
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