Fetco MBS-1221 - C SERVICE INPUTS; D SERVICE OUTPUTS

Go to fetco.com for the latest versions of all information Page 8 User Guide & Operator instructions MBS-1221 P202Re0August 2021
C SERVICE INPUTS
Brewer Sensors and Keypad
POSITION Program Items Factory set Default Programming Range Increments Notes
C1
LLC Probe
continuity
Direct read
TDS tank reading
(water resistance)
≈850- LOW
≈1600-HIGH
Nominal values
C2
Brew Basket
Sensor
Direct read YES or NO
C4
Tank
Temperature
Direct read
Hot water tank
temperature
Actual values
C5
USB Drive
NO
C6 Keyboard Test Calibrate
Checks buttons
under membrane
YES/NO
Follow directions on
the screen
D SERVICE OUTPUTS
Test Valves and Heaters; Set screen brightness
POSITION Program Items Factory set Default
Programming
Range
Increments Notes
D1
Heater SSR
Test
Press button 2 to test
(button 1 stops test)
Activates heater
Default is 10 sec..
Toggle +/-
OFF or ON
Energizes Heater(s)
WARNING!
Service use only.
D2 Fill Valve Test
Press button 2 to test
(button 1 stops test)
Activates valve
Default is 10 sec.
Toggle +/-
OFF or ON
Press To Test
D4 Brew Valve Test (Press to test)
Activates valve
Default is 10 sec.
Toggle +/-
OFF or ON
Runs valve to verify flow.
NOTE: Have container
under brew basket.
D8 Basket Lock (Press to test)
Toggle +/-
OFF or ON
Press To Test
D10 Dilute Valve (Press to test)
Toggle +/-
OFF or ON
Press To Test
Single series displays right side only Left Valve display is only for twin side brewer.
D12 LCD Brightness Brightness=90% 20-100% 5%
Adjust LCD screen
brightness only-Not for
LEDs under buttons
D13 LED Brightness Brightness=60% 20-100% 5%
Adjust LED button
brightness only-Not for
the screen display LCD
.