10
4.
Measure resistance on the BF Steamer Heater with a Multi
-
Meter. It should read 3
-
10K ohms. If out of range, replace
(Parts Manual: Heaters & Position Motor).
Caution
:
The steamer tank may contain hot water
.
Error 78:
Scour Temperature Outside of Allowable Range
TRIGGER: Scour Heater temperature is above 180° or below 40°
1.
Reset the blender by pressing “Regular” & “More Thick” buttons together for 7 seconds to soft
-
reset the blender.
2.
Ensure water supply is on and regulated to 25
-
65 PSI.
3.
Bring up the LVCBS Status Screen (Press the “Left Arrow” & “OK” buttons for 7 seconds until the Status Screen appears on the
screen) and locate Line E: "ScrTemp: XXX"
A.
If the “ScrTemp” is above or below the
Trigger
level, replace
Scour Heater
(Parts Manual: Heaters & Position Motor).
4.
Measure resistance of the Scour Heater Thermistor with a Multi
-
Meter. It should read 3K
-
10K ohms. If out of range, replace
Scour Heater
(Parts Manual: Heaters & Position Motor).
Caution
:
The scour tank may contain hot water
.
Error 79:
Rinse Water
-
Shot Time Too Short
TRIGGER: Rinse water
-
shot target volume of 100mL is reached before 4 seconds
1.
Reset the blender by pressing “Regular” & “More Thick” buttons together for 7 seconds to soft
-
reset the blender.
2.
Ensure blender
has the latest Firmware Version.
A.
Press the “Left Arrow” & “OK” buttons for 7 seconds until the Status Screen appears on the screen. Locate “FWXXXX” in
the top right corner. FW Version should be FW0334.
3.
Check for any leaks inside the blender.
4.
Inspect the Water Shot Orifice (WSO).
Ensure the hole is not damaged.
5.
Check if water is continuously spraying in blending chamber.
A.
If water is spraying with the door open (not residual water drops) and the blender is powered ON, turn the blender OFF:
a.
If the water continues to run, replace
b.
If the continuous water stops and starts back up as soon as you boot the blender back on, replace
Low Voltage
Control Board (LVCB)
(Parts Manual: Control Boards, Lower).
c.
If water is not continuously spraying, proceed to Step 6.
6.
Check that the amount of water dispensed is being accurately registered by the Flow Meter.
A.
Remove the Water Shot Hose from the blending chamber.
B.
Get an empty cup to catch the water.
C.
Bring up the LVCBS Status Screen (Press the “Left Arrow” & “OK” buttons for 7 seconds until the Status Screen appears on
the screen) and locate Line J: “Count XXXXmL”
D.
Reset the error by pressing “Regular” & “More Thick” buttons together for 7 seconds and catch the water in the cup.
Compare the water in the cup with the mL reading on Line J.
a.
If the amount in the cup matches the count on Line J, proceed to Step 7.
b.
If the amount in the cup does not match the count on Line J, replace
(Parts Manual: Water System).
7.
Ensure the Rotary Pump Head (RPH) spins freely with little resistance.
A.
Remove the left, right and rear panels and locate the Water Pump Motor (WPR) down low.
B.
Disconnect the metal band securing the Rotary Pump Head (RPH) to the WPR. Manually turn the shaft key on the
RPH.
Shaft should turn smoothly with little resistance.
Replace
(Parts Manual: Water System)
if hard
to turn or locked up.
8.
Ensure the mechanism on the Water Pump Motor spins freely.
If not, replace
Water Pump Motor
(Parts Manual: Water
System).
Error 7D:
Lower Scour Minimum Flow Limit
TRIGGER: Lower Scour minimum flow limit of 60mL was not reached within 2.5 seconds
1.
Reset the blender by pressing “Regular” & “More Thick” buttons together for 7 seconds to soft
-
reset the blender.
2.
Ensure water supply is on and regulated to 25
-
65 PSI.
3.
Verify Water Pressure Regulator
is installed correctly with an arrow pointing in the direction of the water flow. If damaged,
replace
Water Pressure Regulator
(Parts Manual: Glossary).
A.
SN 19783D and later will have an Internal Water Pressure Regulator.
4.
Remove Lower Scour Nozzle, clean nozzle and orifice.
With nozzle removed, close front door and to soft
-
reset to flush the line.
A.
If Error 7F occurs, inspect/clean out the nozzle and scour nozzle orifice
and to soft
-
reset.
B.
If "Blender Needs Water to Blend" appears or no error occurs, re
-
install the Scour Nozzle and proceed to step 5.
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