Vogt TUBE-ICE 03TA, Service Manual, Page: 80 / 122

03TA Service Manual
TROUBLESHOOTING
2/14/07
8-8
SYMPTOM: Poor ice quality.
POSSIBLE CAUSE POSSIBLE REMEDY
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. Perform a cleaning procedure as well as
removing the freezer cover and cleaning the
water distributors. Adjust continuous
blowdown.
Insufficient water supply indicated by a low
level in the tank. Check water pressure (30 PSIG is
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.
Water pump rotation wrong direction. Check rotation in relation with arrow on pump
housing, and reverse two wires at the motor if
necessary.
Low refrigerant charge. 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.
Insufficient blowdown during harvest Check for proper operation of the blowdown
siphon and restrictions or traps in the water
tank drain assembly.