Troubleshooting guide

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 p ower comi ng
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