True upright freezer. coil fan not running.

Your fan it's either defective, Or your unit is frozen up and the fan is stuck in ice. Unplug it defrost it take off the panels and see if the motor's any good .

Generally I would check for power at the fan wiring because there are several components that can keep it from running. If the fan does have power change the motor. But if it doesn't is the coil frosted and cold enough to let the fan thermostat switch close?
Is the door switch good? Hope this helps good luck.

Give the evaporator a chance to get cold, then check you've got power to the fan, via the evaporator thermistor and door switch

Look to the fan delay/defrost terminator that is located inside to the evap. It is usually attached to the evap coil. check there first.

Freezers have a fan delay which prevents fans from running until coil is cold to prevent circulating warm air.

there is no way of cleaning the coils.there maybe a problem with the compressor.you should hear a fan running inside the freezer when it is in the cooling cycle and the compresor is running if you do not here the fan running this could cause a cooling issue and the evaporator could be building up with ice.
check the rear of the freezer to see if there is any ice build up.

Without any additional info, there are a lot of possibilities:
1. Condenser coil (underneath unit) is dirty and clogged.
2. Compressor is failing. (need A/C tech)
3. Metering device is clogged. (need A/C tech)
4. Refrigerant charge is low. (need A/C tech)
5. Door seal is broken (frost will form around door).
6. Defrost heaters are stuck on (replace defrost timer located underneath unit at front).
7. Condenser fan has failed (underneath freezer on back).
8. Evaporator fan (inside fan) has failed (ice will form on cooling coil).

This should get you started...

If this helps you, please select YES to the first two ratings questions. Thank you, and Good Luck.

the reason there is no fan on the outside is because the outer shell of the unit is the condenser. the unit does it have a fan on the inside? also how does that gfasaket on the outside of the door look like? let me lknow

hi thanks for the question its normal for a frost free freezer to run a long time to keep a good cold temp i don't think you have a problem thanks the appliance doc

I have an upright freezer which temp was unstable. The coils were frosted up, and the circulating fan was unable to pull air across the cooling fins.I defrosted the unit, cleaned it up, and turned it back on. Worked fine until it frosted up again. The unit was a no frost model. I had to have it serviced, and one of the defrost sensors was bad. No problems since this was fixed.