EasyManuals Logo
Home>Manitowoc>Ice Maker>QM20

Manitowoc QM20 User Manual

Manitowoc QM20
236 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #114 background imageLoading...
Page #114 background image
114 Part Number 80-01111-9 7/10
Safety Limit #2
Harvest time exceeds 3.5 minutes for 6
Consecutive harvest cycles.
Possible Cause Checklist
Improper installation
Refer to “Installation and Visual Inspection
Checklist” on page 104.
Water System
Water area (evaporator) dirty
Dirty/defective water dump valve
Vent tube not installed on water outlet drain
Water freezing behind evaporator
Plastic extrusions and gaskets not securely
mounted to the evaporator
Low water pressure (20 psig min.)
Loss of water from sump area
Clogged water distribution tube
Dirty/defective float valve
Defective water pump
Electrical system
Ice thickness probe out of adjustment
Ice thickness probe dirty
Bin switch defective
Premature harvest
Refrigeration system
Non-Manitowoc components
Improper refrigerant charge
Defective hot gas valve
TXV flooding (check bulb mounting)
Defective fan cycling control

Table of Contents

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Manitowoc QM20 and is the answer not in the manual?

Manitowoc QM20 Specifications

General IconGeneral
BrandManitowoc
ModelQM20
CategoryIce Maker
LanguageEnglish

Related product manuals