FBD FBD553D Installation, Operation And Service Manual - page 30
14.24 Low head/suction
A. Low refrigerant level.
A. See item 14.22.H above.
pressure. Contact
FBD Warranty Dept.
B. Compressor damage.
B. Check amp draw on compressor
before tapping system
(normal running 18 amps).
if unit is under
warranty!
DRINK QUALITY
14.25 Drink too “Wet” or
A. Chamber not filled properly.
A. Defrost, then assure chamber is
“Liquid”.
90% full.
B. CO
2
check valve clogged.
B. Clean or replace check valve.
C. CO
2
solenoid not opening.
C. Activate "CO2 Sol" in
“Manual On/Off”. Check for 24VAC
at coil. Clean solenoid or replace,
if necessary.
D. CO
2
level in drink too low.
D. 1.
To affect BOTH chambers,
raise "Reg.CO2" within 28-32
psi (193.0 - 220.8 KPa) range.
2.
To affect ONE chamber, lower
the level control settings using
the instructions in Section 10.2
of this manual.
E. Secondary CO
2
regulator
E. Check Secondary Regulator.
malfunctioning.
Repair or replace secondary
regulator if necessary.
F.
Reg'd CO2 Transducer
F.
Check "Reg'd CO2" in readouts,
malfunctioning.
compare with regulator gauge.
Test transducer, replace if
necessary.
G. Incorrect Brix or water/syrup
G. Check water and syrup flows and
flow rates.
adjust if necessary. Then check
brix (see Section 6.2).
H. Tank Pressure readout not
H. Observe Tank Transducer, check
moving between 18 and
and replace, if necessary.
40 psi or doesn’t lower when
chamber pressure is reduced.
I.
Relay board not sending
I.
Test relay board for 24VAC output
power to CO
2
solenoid coil.
and 5VDC input on solenoid relay.
Replace Relay Board, if necessary.
J.
“THAW/FREEZE” settings
J.
Lower the “THAW/FREEZE”
are set too high.
settings, using the instructions in
Section 11.2, this manual.
K. CO
2
orifice is blocked.
K. Remove blockage.
14.26 Drink quality is too
A. Chamber not filled properly.
A. Defrost and assure chamber is
light.
90% full..
B. Incorrect Brix or water/syrup
B. Check water and syrup flows and
flow rates.
adjust if necessary. Then check
brix (see Section 6.2).
C. CO
2
level in drink too high.
C. 1.
To affect BOTH chambers,
lower "Reg.CO2" within
28-32 psi (193.0 - 220.8 KPa)
range.
2.
To affect ONE chamber, raise
the level control settings using
the instructions in Section 10.2
of this manual.
D. Secondary Regulator
D. Pressure rising out of 28-32 psi
pressure rise.
(193.0 - 220.8 KPa) range. Repair
or replace the secondary regulator,
if necessary.
(Section 14.26 continued on next page.)
TROUBLE
CAUSE
REMEDY
27