Service manual
28 0713
Trouble RemedyProbable Cause
WATER PUMP ‘‘LONG
CYCLES’’ (CON’T)
D. Water pre–filter is plugged
(this condition will be
accompanied by a change in
pitch of the water pump when
operating.)
D. If water inlet pressure gauge
reads below 5–PSI (.34 Bars)
while water pump is
operating,replace water pre–filter.
E. Water supply is shut off to
Control Panel (this condition
will be accompanied by a
change in pitch of the water
pump when operating).
E. Verify plain water inlet shutoff
valve is in ‘‘OPEN’’ position. Verify
all other water shutoff valves on
Beverage Control Panel are in
‘‘OPEN’’ positions.
F. Water pump failure. F. Have Service Technician replace
water pump. Verify water is being
supplied to the pump.
G. Water filter activation valve is
in ‘‘OPEN’’ position.
G. Place water filter activation valve
in ‘‘CLOSED’’ position.
H. Leak in plain water lines
leaving Beverage Control
Panel Assembly.
H. Check for water leak in plain
water lines leading to equipment
connected to Control Panel.
WATER INLET PRESSURE
GAUGE READS TOO LOW
A. Water inlet shutoff valve is in
‘‘CLOSED’’ position.
A. Place water inlet shutoff valve in
‘‘OPEN’’ position.
B. Water pre–filter is clogged. B. Replace water pre–filter.
C. Water pressure regulator is
incorrectly adjusted.
C. Readjust water pressure regulator
to 75 ± 5 PSI. (5.17 ± .34 Bars)
D. Water pressure regulator
strainer is clogged.
D. Remove and clean or replace the
water strainer screen.
E. Water pressure regulator
inoperative.
E. Replace water regulator, adjust to
75 ± 5 PSI. (5.17 ± .34 Bars)
WATER INLET PRESSURE
GAUGE READS TOO HIGH
A. Water pressure regulator is
incorrectly adjusted.
A. Readjust water pressure regulator
to 75 ± 5 PSI. (5.17 ± .34 Bars)
B. Water pressure regulator
inoperative.
B. Replace water regulator, adjust to
75 ± 5 PSI. (5.17 ±.34 Bars)
AIR COMPRESSOR DOES
NOT OPERATE
A. Power cord unplugged from
electrical outlet.
A. Plug air compressor power cord
into electrical outlet.
B. Power cord power switch in
‘‘OFF’’ position.
B. Place power switch in ‘‘ON’’
position.
C. Electrical circuit fuse blown or
circuit breaker tripped.
C. Replace fuse or reset circuit
breaker.
D. Air compressor pressure
switch is inoperative.
D. Have Service Technician check
and/or replace pressure switch.
AIR COMPRESSOR DOES
NOT OPERATE (CON’T)
E. Air/CO
2
changeover valve on
CO
2
panel set to CO
2
position.
E. Select desired valve position.
F. Air compressor is inoperative. F. Replace air compressor.
AIR COMPRESSOR ‘SHORT
CYCLES’’
A. Air compressor pressure is not
correctly adjusted.
A. Have Service Technician adjust
pressure switch.
B. Air tank contains water
(condensation).
B. Drain water from air tank by
opening condensation drain tube
valve,then close valve. TO
PREVENT WATER FROM
ENTERING SYSTEM, WATER
MUST BE PURGED FROM AIR
TANK ONCE A WEEK.