Hoshizaki STACKABLE CRESCENT CUBER KM-1301SAH-E - Manual (Page 49)

49
Freeze Up - Possible Cause
Freeze Cycle
1. Evaporator a) Scaled up.
b) Damaged.
2. Separators a) Out of position.
3. Spray Tubes and/or Spray
Guides
a) Dirty.
b) Out of position.
4. Refrigerant charge. a) Low.
5. Check Valve a) Defective.
6. Control Board
See "IV.B. Control Board Check."
a) Freeze timer set incorrectly.
b) Defective.
7. Inlet Water Valve a) Leaking by.
8. Float Switch
See "IV.D. Float Switch Check
and Cleaning."
a) Float does not move freely.
b) Defective.
9. Pump Motor a) RPM too slow.
10. Expansion Valve (TXV) a) Defective.
11. Headmaster (C.P.R.) (remote
condenser unit)
a) Defective.
12. Water Regulating Valve
(water-cooled model)
See "IV.F. Adjustment of Water
Regulating Valve."
a) Out of adjustment.