OPERATIONS AND SERVICE MANUAL PN 28-0255/11
25
TROUBLE
CAUSE
REMEDY
4.20
Circuit breaker tripping.
A. Valve wire harness shorted
to itself or faucet plate.
B. Controller PCB is bad.
C. Secondary wire harness is
shorted.
D. Power supply is bad.
A. Detect short by disconnecting valve
harnesses from switch panel
(4 25-pin harnesses and 4 9-pin
harnesses). Restore power. If
breaker does not trip, find and
replace shorted harness.
If breaker trips, re-install the 8
harnesses, and proceed to step B.
B. Detect by disconnecting the white
5-pin harness from the controller
PCB. Restore power. If breaker
does not trip, replace controller
PCB. If breaker trips, re-install the
white 5-in harness and proceed to
step C.
C. Locate short from a motor or
solenoid harness and replace.
D. Detect short by disconnecting all
harnesses connected to power
supply. Restore power. If breaker
still trips, replace power supply.
4.21
BIB pump does not operate
when dispensing valve is
opened.
A. Out of CO
2
, CO2 not
turned on, or low CO2
pressure.
B. Out of syrup.
C. BIB connector not tight.
D. Kinks in syrup or gas lines.
A. Replace CO2 supply, turn on CO2
supply, or adjust CO2 pressure to
70-80 PSI.
B. Replace syrup supply.
C. Fasten connector tightly.
D. Straighten or replace lines.
4.22
BIB pump operating, but no
flow.
A. Leak in syrup inlet or outlet
line.
B. Defective BIB pump.
A. Replace line.
B. Replace BIB pump.
4.23
BIB pump continues to
operate when bag is empty.
A. Leak in suction line.
B. Leaking o-ring on pump
inlet fitting.
C. Defective syrup BIB pump.
A. Replace line.
B. Replace o-ring
C. Replace defective pump.
CONTINUED ON NEXT PAGE
Summary of Contents for 4400 Series
Page 30: ...7 2 FINAL ASSEMBLY pOST MIX IBD AND ICE DISpENSER 30 IBD 4500 4600 LCD...
Page 32: ...IBD 4500 4600 LCD 32 7 3 LCD UNIT FINAL ASSEMBLY pOST MIX IBD AND ICE DISpENSER...
Page 34: ...IBD 4500 4600 LCD 34 7 4 4600 NO COLD pLATE UNIT FINAL ASSEMBLY pOST MIX IBD AND ICE DISpENSER...
Page 41: ...7 8 WIRINg DIAgRAM 115v 60HZ 41 OPERATIONS AND SERVICE MANUAL PN 28 0255 11...
Page 42: ...IBD 4500 4600 LCD 42 7 9 WIRINg DIAgRAM 230v 50 60HZ...
Page 45: ...OPERATIONS AND SERVICE MANUAL PN 28 0255 11 7 13 IBD 22 COUNTER CUTOUT 45...
Page 46: ...7 14 IBD 30 COUNTER CUTOUT 46 IBD 4500 4600 LCD...