Troubleshooting By Symptom - Manitowoc Indigo Series Technician's Handbook
Indigo series ice machine
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Also See for Indigo Series:
- Technician's handbook (296 pages) ,
- Installation, use & care manual (92 pages) ,
- Technician's handbook (270 pages)
Table of Contents
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Troubleshooting By Symptom
The troubleshooting procedures follow flow charts.
There are four symptoms, the symptom that you are
experiencing will determine which flow chart to use.
The flow chart asks yes and no questions to determine
the problem. The flow chart will direct you to a
procedure to correct the problem. Remote condenser,
QuietQube® remote condensing units and self
contained models use separate charts.
SYMPTOM #1
Ice Machine Stops Running
Ice machine is in Ice Making cycle
or
Has a History of Shutting Down
•
Refer to Ice Machine Stops Running Flow Chart
SYMPTOM #2
Ice Machine has a Long Freeze Cycle.
Ice Formation is Thick
or
Thin Ice Fill on Top or Bottom of Evaporator
or
Low Production
Safety Limit #1 (possible)
•
Refer to Freeze Cycle Refrigeration System
Operational Analysis Table
SYMPTOM #3
Ice Machine Will Not Harvest - Freeze Cycle is
Normal and Ice Cubes are Not Melted After Harvest
Safety Limit #2 (possible)
•
Refer to Refrigeration Harvest Flow Chart
Symptom #4
Ice Machine Will Not Harvest - Freeze Cycle is
Normal and Ice Cubes are Melted After Harvest
•
Refer to Ice Meltout Flow Chart
Part Number Preliminary 6/11
139
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Table of Contents
Troubleshooting
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Do you have a question about the Indigo Series and is the answer not in the manual?
Questions and answers
Condenser **** won't stay on but a couple seconds
The condenser on the Manitowoc Indigo Series may not stay on for more than a couple of seconds due to several possible issues:
1. Fan Cycling Control – If a fan cycling control is used instead of a head pressure control valve, the condenser may not function correctly. The manual states that fan cycling controls should not be used as they can lead to compressor failure.
2. Improper Installation – Issues such as restricted airflow, dirty condenser fins, or high inlet air temperature can cause the condenser to shut down quickly.
3. Electrical Issues – Problems with the condenser fan motor circuit, such as exceeding the rated amps listed on the ice machine’s serial tag, could prevent continuous operation.
4. Refrigeration System Problems – An improper refrigerant charge or a defective head pressure control valve may cause the condenser to shut off prematurely.
5. Condenser Discharge Air Recirculation – If warm air from the condenser is recirculated back into the system, it can cause overheating and shutdown.
Checking these factors can help identify and resolve the issue.
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Need to know when IY1404A-261 SN: 1101224994 was built
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