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Newco moo-cafe User Guide

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35
Service – Calibration and Troubleshooting 
Display Board Error Messages 
 
Note: Unplug, re-plug machine, if error does not go away see cause or fix column
 
 
 
 
 
Message 
Meaning 
Cause or Fix 
d1.O 
Dump 1 open circuit 
Main board / No fix 
d2.O 
Dump 2 open circuit 
Main board/ No fix 
d3.O 
Dump 3 open circuit 
Main board/ No fix 
b1.O 
Whipper 1 open circuit 
Fuse/Whipper board  
b2.O 
Whipper 2 open circuit 
Fuse/Whipper board 
b3.O 
Whipper 3 open circuit 
Fuse/Whipper board 
P1.O 
Pump 1 open circuit 
16V supply/Pump board/Door 
Switch 
P2.O 
Pump 2 open circuit 
16V supply/Pump board/Door 
Switch 
P3.O 
Pump 3 open circuit 
16V supply/Pump board/Door 
Switch 
F.O 
Fill Solenoid open circuit 
Fuse/Pump board 
AL.O 
Ambient Left   Solenoid 1 open circuit 
Pump board/ No fix 
AC.O 
Ambient Ctr Solenoid 2 open circuit 
Pump board/ No fix 
Ar.O 
Ambient Right Solenoid 3 open circuit 
Pump board/ No fix 
d1.S 
Dump 1 shorted circuit 
Main board / No fix 
d2.S 
Dump 2 shorted circuit 
Main board / No fix 
d3.S 
Dump 3 shorted circuit 
Main board / No fix 
b1.S 
Whipper 1 shorted circuit 
Fuse/Whipper board 
b2.S 
Whipper 2 shorted circuit 
Fuse/Whipper board 
b3.S 
Whipper 3 shorted circuit 
Fuse/Whipper board 
P1.S 
Pump 1 shorted circuit 
16V supply/Pump board 
P2.S 
Pump 2 shorted circuit 
16V supply/Pump board 
P3.S 
Pump 3 shorted circuit 
16V supply/Pump board 
F.S 
Fill Solenoid shorted circuit 
Fuse/Pump board 
AL.S 
Ambient Left   Solenoid 1 shorted circuit 
Pump board/ No fix 
AC.S 
Ambient Center Solenoid 2 shorted circuit  Pump board/ No fix 
Ar.S 
Ambient Right Solenoid 3 shorted circuit 
Pump board/ No fix 
373 
General Error 103373-x pump board 
Pump Board/Ribbon cable 
unplugged 
Th.U           Thermistor Under value                                  Bad Thermistor/Connection 
Th.O           Thermistor Over value                                    Bad Thermistor/Tank temp too 
high (Boiling) 
H.O 
Heater Open 
Triac  /Relay/Wiring/Main board 
H.S 
Heater Short 
Triac  /Relay/Wiring/Main board
 
Heater Error 
Temp. Not rising /Thermistor 
/Heater element/Wiring 
Fil 
Fill Solenoid Safety Timeout 
Fill Valve/Water not turned on 
Err 
General feedback error main board 
Power-up error/ Wiring/Main 
board 
bAC 
Backup driver failure main board 
Main board/no fix 
but 
Input failure  
Bad membrane switch/Switch 
cable 
195 
General feedback error main board 
Main board / No fix