Hoshizaki Condensing Unit Models SRK-14J/3, KMS-1401MLJ service manual Freeze-Up

No Ice Production - Possible Cause

15. Compressor	a) Compressor relay/magnetic contactor contacts bad or coil winding
	open.
	b) Start capacitor or run capacitor defective (single phase only).
	c) Internal protector open.
	d) Start relay contacts bad or coil winding open (single phase only).
	e) Protector tripped.
	f) Compressor defective.
16. Hot Gas Valves (KMS & SRK)	a) Closed in harvest cycle.
	b) Open in freeze cycle.
17. Thermistor	a) Loose, disconnected, or defective.
See "IV.E. Thermistor Check"
18. Pump Motor	a) Motor winding open.
	b) Bearing worn out or locked rotor.
	c) Defective capacitor.
	d) Mechanical seal worn out.
19. Thermostatic Expansion Valve	a) Bulb loose.
	b) Operating erratically.
20. Liquid Line Valves (KMS & SRK)	a) Closed in freeze cycle.
	b) Open in harvest cycle.
21. Fan Motors-Remote	a) Motor winding open.
	b) Bearing worn out or locked rotor.
	c) Defective capacitor.
22. Headmaster (C.P.R.)	a) Defective.
23. Water System	a) Water leaks causing short freeze time.

2. Freeze-Up

Defrost and clean the icemaker prior to diagnosing freeze-up. See "VI.A. Cleaning and Sanitizing Instructions." Fill out a freeze-up checklist. The freeze-up checklist can be found in the Hoshizaki Technician's Pocket Guide or contact your local distributor for a copy of the freeze-up checklist.

Freeze-Up - Possible Cause

	Harvest Cycle
1. Evaporator	a) Scaled up.
	b) Damaged.
2. Cube Guides	a) Out of position.
	b) Damaged.
3. Spray Tubes and/or Spray	a) Dirty.
Guides
	b) Out of position.
4. Water Supply	a) Low water pressure.
	b) External water filters clogged.
	c) Insufficient water line size.
	Minimum 3/8" nominal ID copper water tubing or equivalent.
5. Harvest Water Valve	a) Screen or orifice clogged.
	b) Defective.

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