37X INSTALLATION & OPERATION MANUAL
372/373 MODELS
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Error #051, 052, 053: Safety Fill Error
A barrel filled continuously for more than two minutes.
Error #061, 062, 063: Beater Low Error
A beater motor stalled during operation.
Error #070: Compressor Ran Too Long
The compressor ran continuously for more than 90 minutes.
If compressor still won’t start:
1 Run the ll diagnostic sequence to determine the reason for the failure.
1
Check the brix in the barrel. If low, check the brix at the sample valve and adjust if needed. Drain
and rell the barrel.
2
Check the fault code history for multiple sold-out errors within a short period. This can mean that
the BIB connector or syrup pump has a suction leak. Fix if necessary.
3 Run the beater circuit diagnostic if a component failure is suspected.
1 Check pressure reset switch (located near compressor inlet port).
2
Is the location an extreme volume venue such as a festival? If so, contact FBD service for
instructions on adjusting the timer.
3
Check pressure reset switch then manually turn on the compressor using the menu and ensure
the contactor located in the electrical box engages.
4
If contactor does not engage, check for 24 VAC at the contactor coil (the voltage will read ~19 VAC
when not powered). Refer to the wiring schematic for details. If no voltage, install a new control
board and check for 24 VAC again.
5 If 24 VAC is present at the contactor coil but it does not engage, then replace the contactor.
6
If contactor engages, check to make sure the voltage at contactor terminals T1 and T2 is above
187V when the compressor is starting. If below 187V, the line voltage supply needs to be corrected.
7
If voltage at T1 and T2 is good, substitute a “known to be good” run capacitor. If compressor starts,
replace the original run capacitor.
6
Remove the wires from the compressor and check for continuity between the C-R, C-S and R-S
terminals of the compressor. If the compressor is hot, a lack of continuity can indicate a tripped
thermal protector. It may take considerable time for the compressor to cool down and reset the
protector. If continuity cannot be established through all motor windings when cooled down,
the compressor should be replaced.
7
Check the compressor motor for a ground fault by conducting a continuity check between the
common terminal (C) and the compressor shell. If there is continuity then replace the compressor.
8
Check the compressor motor windings for proper resistance. Contact FBD Technical Support
for resistance values and further assistance. If the compressor has been recently running or has
recently overheated, then the resistance readings will be higher. Wait until the compressor cools
down (this may take over an hour) before using the resistance read out for any diagnostic purpose.
If the cold resistance is out of spec, then replace the compressor.
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