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Yes, it is safe to leave an Igloo ice machine when it is full. However, if you plan to leave the ice in the machine for an extended period, it is recommended to transfer the ice to a freezer to prevent melting and refreezing, which can cause the ice to clump together.

Hi I had the exact same issue after about a year of running my igloo ice maker non stop. To fix it I held in the on/off button and select button at the same time for about 30 sec and TADA!! Back to making ice.
If that doesn't work I've also read to leave machine unplugged for 6 hrs and then hold in on/off button for 10 seconds. Good Luck!!!!

The tray full may be triggered or stuck or another problem may exist. Look for what senses the ice being full and also check with Curtis support:
(another person was tld to do this and it workd:
1. turn machine on . 2. press the select button for 10 sec. then 3. press the power button for 10 sec. and then turn off the machine and unplug it for 6 hours.

I included some links for your convenience. Good Luck
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Troubleshooting Portable Ice Makers

Igloo ICE102 WHITE User Manual Troubleshooting Guide

There is a probe that tells the machine it's full. Change it.

it seems the sensor is jammed or malfunctioning, fooling the control section and keeping the machine from working.
I don't know the machine but the sensor detecting the full ice section is either mechanical or a thermistor (electronic). Locate the sensor and make sure it is in position to sense or simply messing with it may make it work again.
Igloo may have a troubleshooting section in their website.

I searched forever for an answer to this and never found one. So this is what I did when you take the cover off on the left hand side there are two switches with two wires coming from.each switch. Then in the same group of wires the is two slightly larger wires one red one black. Those wires go to the optic eye that tells the machine is full. Cut and splice these teo wires together coming from the circuit board this will tell the machine it is empty and should make ice. Worked for me. It just doesn't cut off on its own whenever its full.

There is some sort of arm that fits into the ice tray; when the ice fills up the tray the arm is pushed up and a switch connected to it will open the circuit and prevent any future ice maker operation(s). That switch has to be closed for unit to work!

it has controller problem of icc matchine.

This is usually an indication that the photo eyes are probably dirty. They "See" across the opening where the ice drops through. If they are dirty, it registers as a fill machine.
A bin stat can cause the same problem.
The eyes and sometimes be a major problem finding them getting to them. On smaller machines like this one, it's hard to get your hands on them.
Good Luck and hope this helps.

The bin control shuts it off when the ice bin is full. Without a bin control it should keep making ice and never stop.