Vogt TUBE-ICE 03TB Service Manual page 80

8-8
TROUBLESHOOTING
SYMPTOM: Poor ice quality.
POSSIBLE CAUSE
Excessive concentration of solids in the water
tank usually indicated by a build-up of mineral
deposits on the sides and bottom of the tank.
Insufficient water supply indicated by a low
level in the tank.
Water pump rotation wrong direction.
Low refrigerant charge.
Insufficient blowdown during harvest
2/14/07
POSSIBLE REMEDY
Perform a cleaning procedure as well as
removing the freezer cover and cleaning the
water distributors.
blowdown.
Check water pressure
recommended minimum). Check for a water
line restriction, partially closed valve, or
defective make-up water float valve. Make
sure the water tank drain valve is closed.
Check rotation in relation with arrow on pump
housing, and reverse two wires at the motor if
necessary.
Check refrigerant level mark on the receiver,
and on the painted portion of the gage glass
guard. Perform a pumpdown if necessary. Be
sure to close the gage glass cocks after
checking the level.
Check for proper operation of the blowdown
siphon and restrictions or traps in the water
tank drain assembly.
03TA Service Manual
Adjust continuous
(30 PSIG is