Manitowoc Manitowoc NEO U0140 Series, Installation, Operation And Maintenance Manual

Part Number: 040005890 Rev 04  02/19 

17

Interior Cleaning and Sanitizing

GENERAL
Clean and sanitize the ice machine every six months 

for efficient operation. If the ice machine requires more 

frequent cleaning and sanitizing, consult a qualified 

service company to test the water quality and recommend 

appropriate water treatment.
The ice machine must be taken apart for cleaning and 

sanitizing.

,

Caution

Use only Manitowoc approved Ice Machine Cleaner and 

Sanitizer. Using a non Manitowoc cleaner or sanitizer 

may result in bodily harm and/or cause damage to the 

ice machine that is not covered under the warranty. 

Do not use cleaner or sanitizer quantities that exceed 

the amounts listed in this manual. Do not use these 

solutions in a manner inconsistent with their labeling. 

Read and understand all labels printed on bottles before 

use.

Cleaning and Sanitizing Procedures

Ice machine cleaner is used to remove lime scale and 

mineral deposits. Ice machine sanitizer disinfects and 

removes algae and slime.
Control Operation
Pressing and holding the Clean button for 3 seconds starts 

the clean cycle. The Clean and On/Off lights energize 

indicating the clean cycle has started and ice making will 

automatically start when the clean cycle is complete.
•  Setting the ice machine to stop after the clean cycle: 

Press the On/Off button. The On/Off light will de-

energize, indicating the ice machine will stop after the 

clean cycle.

•  Pausing the cleaning cycle: Press the Clean button. 

The clean light will flash indicating the clean cycle has 

paused. Pressing the Clean button again will restart the 

clean cycle.

NOTE: If the ice damper is open for 2 seconds, the clean 

cycle will pause. If the damper is open for 30 seconds, the 

clean cycle will be canceled.

Step 1  Press the On/Off button after ice falls from the 

evaporator at the end of a harvest cycle. Or, press the On/

Off button and allow the ice to melt off the evaporator.
Step 2  Remove all ice from the bin.
Step 3   To start a cleaning cycle, press the Clean button. 

Water will flow through the water dump valve and down 

the drain. Wait until the water trough refills, then add the 

proper amount of ice machine cleaner to the water trough.

Model

Amount of Cleaner

U0140

2 ounces (60 ml)

U0190

5 ounces (150 ml)

U0240

5 ounces (150 ml)

U0310

5 ounces (150 ml)

Wait until the clean cycle is complete (approximately 

22 minutes) then press the On/Off button and disconnect 

power and water supplies to the ice machine.
Step 4  Remove parts for cleaning.
Refer to the proper parts removal for your machine. 

Continue with step 6 when the parts have been removed.

Section 4

Maintenance