58
PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
Pump motor intermittent
Problem with Liquid Level Control
Board.
Check line voltage first. If AC voltage across
load terminals on Liquid Level Control Board is
not 120 plus or minus 10%, replace the Liquid
Level Contorl board.
Pump motor starts and
stops, short cycles, as soon
as water level drops below
Red (High) probe.
Black (Low) Lead wire is open or
disconnected.
Verify connections and continuity of black wire
from Liquid Level Control Board to Probes on
Carb Tank.
Pump motor starts and
stops, short cycles, as soon
as water level drops below
Black (Low) probe.
Red and Black Leads are switched with
each other.
Verify Red Lead is going to Red probe and
Black Lead is going to Black probe.
Pump short cycles from
below high probe to just
above high probe - Low
probe has no effect.
Red and Green Leads are switched with
each other.
Black and Green Leads are switched
with each other.
Verify Red Lead is going to Red Probe and
Green Lead is going to Ground Screw on tank
Verify Black Lead is going to Black Probe and
Green Lead is going to Ground Screw on tank.
TROUBLESHOOTING
PUMP
CONDITION
INVESTIGATION
CHECK
CORRECTION
Warm drinks
Is the compressor
running? No
Power switch off or
Compressor switch off
Move switch to "on" position
Ice bank control
Check / replace control box
Compressor overload
Check / replace overload
Start relay
Check / replace relay
Compressor
Check / replace compressor
Note A: It is important to remember that anytime the refrigeration system is opened the refrigerant
should be recovered, a new drier installed and the proper charge of refrigerant weighed into the
refrigeration system.
No water, syrup or gas
dispensing
Is there power to the
unit?
No power
Plug in unit or reset breaker
Power to control box
Replace fuse or control box
Is power coming
throught the key
switch?
Key switch "off"
Turn switch "on"
Key switch defective
Replace key switch
Is there power to the
key switch?
No power through the
transformer
Reset/replace transformer
DRINKS
Содержание MD 150
Страница 12: ...12 INSTALLATION COLD CARB BAG IN BOX B I B SYSTEM ...
Страница 16: ...16 INSTALLATION MD 150 6 VALVE PLUMBING DIAGRAM MD 150 6 VALVE FLEX MANIFOLD ...
Страница 17: ...Installation and Service Manual 17 INSTALLATION MD 175 8 VALVE PLUMBING DIAGRAM MD 175 8 VALVE FLEX MANIFOLD ...
Страница 18: ...18 INSTALLATION MD 200 250 8 VALVE PLUMBING DIAGRAM MD 200 250 8 VALVE FLEX MANIFOLD ...
Страница 20: ...20 INSTALLATION MD 302 12 VALVE PLUMBING DIAGRAM LEFT RIGHT MD 302 12 VALVE FLEX MANIFOLD 1 PER SIDE ...
Страница 22: ...22 INSTALLATION MD 402 20 VALVE PLUMBING DIAGRAMS MD 402 20 VALVE FLEX MANIFOLD 1 PER SIDE LEFT RIGHT ...
Страница 42: ...42 EXPLODED VIEWS PARTS DIAGRAMS MD 150 175 200 250 EXPLODED VIEW ...
Страница 43: ...Installation and Service Manual 43 EXPLODED VIEWS PARTS DIAGRAMS MD 150 PARTS LIST MD 175 PARTS LIST ...
Страница 44: ...44 EXPLODED VIEWS PARTS DIAGRAMS MD 200 250 PARTS LIST ...
Страница 45: ...Installation and Service Manual 45 EXPLODED VIEWS PARTS DIAGRAMS MDH 302 402 EXPLODED VIEW ...
Страница 46: ...46 EXPLODED VIEWS PARTS DIAGRAMS MDH 302 PARTS LIST MDH 402 PARTS LIST ...
Страница 55: ...Installation and Service Manual 55 EXPLODED VIEWS PARTS DIAGRAMS MDH 402 115V WIRING DIAGRAM ...
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Страница 62: ...Installation and Service Manual ...