Maytag refrigerator msd2454grq ice maker not working after 2 hours power outage. Water dispenser working with strong psi.I wonder if i can "reset" ice maker in this model.

Assuming you followed the water line installation directions and you have water available to your new refrigerator/freezer here is the rest of the "priming" info you requested. (basically it tells you how to run a bunch of water through the system by filling cups or glasses to remove any debris and/or air...

Automatic Ice & Water Dispenser
Priming the Water Supply System
1. Begin filling the tank by pressing and holding a drinking glass against the water dispenser paddle. 2. Keep the glass in this position until water comes out of the dispenser. It may take about 1½ minutes. 3. Continue dispensing water for about three minutes to flush the system and plumbing connections of any impurities (stopping to empty the glass as necessary).
Ice Maker Operation & Care After the refrigerator is installed properly and has cooled for several hours, the ice maker can produce ice within 24 hours. The ice maker will fill the ice bin from the rear. You must dispense some ice to force the ice forward in the bin. This will allow the bin to fill completely.
Turning the Fresh Food Ice Maker On and Off Ice production is controlled by the ice maker's On/Off icon on the control panel. Press and hold the "Ice Off" icon for three seconds to turn the ice maker "ON" or "OFF". The ice maker is turned off when the LED above the "Ice Off" icon is illuminated.
Using the Ice Maker after Installation Before making ice for the first time, be sure to prime the water supply system. Air in new plumbing lines can result in two or three empty ice maker cycles. Furthermore, if the system is not flushed, the first ice cubes may be discolored or have an odd flavor.
CAUTION
For proper dispenser operation, recommended water supply pressure should fall between 30 psi and 100 psi. Excessive pressure may cause water filter to malfunction.
NOTE The water dispenser has a built-in device that shuts off the water flow after three minutes of continuous use. To reset this shutoff device, simply release the dispenser paddle.
IMPORTANT On occasion, unusually small ice cubes may be noticed in the bucket or in dispensed ice. This could occur in normal operation of the ice maker. If you start seeing these more frequently, it may be an indication of low water pressure or the water filter needs to be replaced. As the water filter nears the end of its useful life and becomes clogged with particles, less water is delivered to the ice maker during each cycle. Remember, if it's been six months or longer since you last changed your water filter, replace the water filter with a new one. Poor quality household water may require the filter to be changed more frequently.
IMPORTANT Your ice maker is turned on at the factory so it can work as soon as you install your refrigerator. If you cannot connect a water supply, set the ice maker's On/Off icon to Off and turn off the water supply valve; otherwise, the ice maker's fill valve may make a loud chattering noise when it attempts to operate without water.
Hope this helps. Randy

Good Afternoon Friend,

I understand that the ice maker in your Frigidaire refrigerator, model# FRS23H7CS, is crushing your ice, but will not dispense the crushed ice. It sounds like the dispenser is possibly jammed. Follow the following steps for a possible resolution:

1)The ice has melted and frozen around the auger due to infrequent use, temperature fluctuations, and/or power outages. Remove the ice container, thaw, and empty the contents. Clean the container, wipe dry, and replace it in the proper position. When new ice is made, dispenser should operate.

2)Ice cubes are jammed between the ice maker and the back of ice container. Remove the ice cubes that are jamming the dispenser.

3)Ice cubes could be frozen together. Use the dispenser often so that cubes do not freeze together.

4)The ice cubes are hollow or smaller than normal. The ice & water filter cartridge could be clogged. Replace the filter cartridge. Dispensing system operates best at 20 - 100 psi water pressure. Well water pressures should fall within this range.

If the above does not work, I suggest resetting your appliance, by either unplugging it or shutting the power off at your home's circuit breaker, for 3-5 minutes. Turn the power back on and try dispensing crushed ice. I ask that you please follow up with a comment on the post, at your convenience, to advise if further troubleshooting is needed or if your appliances status has changed successfully.

-Best Regards-
WP

The defrost assembly door is got blocked.
Reset the unit.
Unplug it from wall outlet foe approx 12 hours.Then reconnect and see.It will help.

Replacement parts can be purchased at any of the following web sites:

searspartsdirect.com
pcappliancerepair.com
appliancepartspros.com
repairclinic.com

partsselect.com

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Before going to buy any parts directly.
Go through this troubleshooting help links.

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This is list of refrigerator problems, which is normally faced in refrigerator.
You can go through the details, by clicking the link below:---

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Refrigerator is not cooling properly?
http://technoanswers.blogspot.com/2011/06/refrigerator-is-not-cooling-properly.html
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Both refrigerator and freezer not cooling properly in refrigerator?
http://technoanswers.blogspot.com/2011/06/both-refrigerator-and-freezer-not.html
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The ice maker not working: ---
http://technoanswers.blogspot.com/2011/06/ice-maker-stopped-working.html

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Compressor not running on refrigerator?
http://technoanswers.blogspot.com/2011/10/compressor-not-running-on-refrigerator.html
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Water dispenser not working on refrigerator?
http://technoanswers.blogspot.com/2011/10/water-dispenser-not-working-on_19.html

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Ice maker stopped making ice?

http://alltypesofpartsreplacing.blogspot.com/2011/10/ice-maker-stopped-making-ice.html

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Water Overflows in Ice maker and freezes inside?

http://alltypesofpartsreplacing.blogspot.com/2011/10/water-overflows-in-ice-maker-and.html

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How to replace Ice maker assembly?

http://alltypesofpartsreplacing.blogspot.com/2011/10/how-to-replace-ice-maker-assembly.html

These will help.

Thanks,.

disconnect and wait for full melt down. then reconnect

check the inlet valve.

Replace that microswitch for the dispenser lever. It might not be a separate switch though, it may be part of the control board for the dispenser module. disconnect power to the fridge, remove the dispenser cover to expose the wiring, etc., determine what the lever actuates when depressed, and it will likely be the microswitch separate from the board.

replace the ice maker if the reset button has not done any good

Check THIS out

If you need further help, reach me via phone at https://www.6ya.com/expert/dan_73bbd84fe1d95b61

your flapper door may be getting stuck check it

I got one of these in my shop. I am tech, call me for info. steve 320.963.3580 MN