Model mtw6600tb0 The washer will not run through cycle. It fills up with water that flashes ol.

It is overload error.
"oL" (Over Load)
Is the washer overloaded? The washer has attempted to fill •
and begin the wash cycle. If the washer is overloaded, it will
drain any water and detergent that was added during the fill.
To correct the overload, remove several items and add
detergent. Close lid and press START.

Also try to download user manual from this site and check page 19.

Download WHIRLPOOL CABRIO WTW6300SW1 Use Care Manual

Hi Peter, If I understand your question correctly, you are asking what the code "HD" means for your machine. I am unable to find the code "HD", however, here is a list of the codes for these Maytag models, perhaps one looks similar to "HD". Hopefully this answers your question!

Washer displaying code messages
- "LF" (Washer is taking too long to fill)
Check the following:
Are the water inlet hoses kinked or clogged?
Are the water inlet valve screens clear?
Press PAUSE/CANCEL to clear display.
- "Ld" (Washer is taking too long to drain water from the wash tub)
Check the following:
Is the drain hose kinked or clogged?
Is the drain hose installed properly? See "Connect the Drain Hose." Press PAUSE/CANCEL
to clear display.
- "uL" (Unbalanced Load)
If the load is unbalanced, the washer will display this code while running an imbalanced
load correction routine at the end of the wash cycle and before the final spin. If the code
remains and the wash cycle dial is flashing after the recovery routine has stopped, open
lid and redistribute the load. Close lid and press START.
- "oL" (Over Load)
Is the washer overloaded? The washer has attempted to fill and begin the wash cycle. If
the washer is overloaded, it will drain any water and detergent that was added during the
fill. To correct the overload, remove several items and add detergent. Close lid and press
START.
- "Sd" (Suds Detected)
Did you use regular detergent?
Regular or hand-washing detergents are not recommended for this washer. Use only High
Efficiency ("HE") detergent.
Did you add too much detergent?
Always measure detergent. Follow detergent manufacturer's directions.
If excessive suds are detected, the washer will display this code while running a suds
reduction correction routine at the end of the wash cycle. The suds reduction routine
removes extra suds and assures proper rinsing of your garments. If the code remains and
the wash cycle dial is flashing after the recovery routine has stopped, re-select your
desired cycle using cold water. Press START. Do not add detergent.
- "lid" (Lid Opened)
Is the lid open? Close the lid to clear the display. If the lid remains open for more than 10
minutes, water in the wash tub will drain.
- "HC" (Cold and Hot hoses switched)
This code will appear at the end of the wash cycle to indicate that the cold and hot water
inlet hoses are switched. See "Connect the Inlet Hoses."
- "dL" (Door/Lid cannot lock)
Indicates lid is not locked. Check for items caught in the lid keeping it from closing. Press
PAUSE/CANCEL once to clear the code.
- "dU" (Door/Lid cannot unlock)
Is there excessive weight on the lid, such as a basket of laundry? Excessive weight will
keep the lid from unlocking. Press PAUSE/CANCEL once to clear the code.
- "F##" code
Press PAUSE/CANCEL once to clear code. Press START. If code appears again, call for
service.

The ol error can be caused by many problems, first let's address the over filling of the water, there is a plastic tube that runs from your control to the outer tub. This tube provides the pressure to the sensor in the control board to control the water level in the tub of the washer. If this line has a pin hole or is clogged, this could effect the water level. If your tube is ok then the control board is bad.
the ol error could be any of the following:
cloths under the tub,
bad bearings
basket hub
stater motor
rps sensor
control board

lid control switch bad, OL means open lid

First, OL/UL stands for "Overload", so in other words, the washer things the tub is too hard to move because it's overloaded and the motor is struggling or the unit is way out of balance causing the washer to struggle. The most common problem is a nut below the inner tub that needs to "float". Floating is when the tub fills up with water to a certain level the inner basket will rise about 1 inch from the center agitator. What this does is disengage the basket from the motor so that the agitator can rotate independently from the basket. If the basket does not float then when it tries to agitate the whole basket will turn back and forth at the same speed as the agitator and this will cause the OL/UL error code.

Hi jbrundage1. I believe you have a UL error code on the washer. It means that the sensors in the washer are sensing the unit is unbalanced. When the washer is empty, set it to a spin or rinse and spin setting. Run the washer through the cycle empty, as it will help to remove any excess water in the tub. Also, make sure the washer is level, as it is balanced on springs, and that could be throwing the sensors off. I hope these suggestions prove helpful. Sincerely, Melanie, Maytag Social Media Representative.

oL Overloaded.
"oL" flashes when you got too dang many clothes in there. 18 pounds dry weight per load is what I go by. If the load is fine you could have an item of clothing in between tubs not allowing basket to engage.

Service Manual and codes HERE

Hi, the OL code means Overloaded..
OL flashes when the machine/motor control detects a load size that exceeds the washer's capacity.Open the door lid to clear display, remove excess laundry, then restart the cycle.

Hi


Thanks for using FixYa. oL flashes when the machine/motor control detects a load size that exceeds the washer’s capacity. Open the door lids to clear display, remove excess laundry, then restart the cycle. Please do accept the solution if the issue is resolved or post a comment for further assistance.


Thanks
Rylee

OL on my washing machine