Looking for relay # UZ-2A-BT110 RHODE ISLAND AREA CELL 401487-5770 TGF-49 F

Question edited for greater clarity.
Question moved from 'Power Computers' to Freezers.

Disconnect the mains power for 5 minutes to reset the control board. If that doesn't fix it, call for service.

You need a new regulator. get the manufacturer and make and numumbers and look it up and save hundreds putting it in yourself.

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Did they test the thermostat? I would think that the compressor would kick on before you got that much of a fluctuation, unless the thermostat is not sensing the change fast enough.

The run and start capactiors and relay, did they give you a reason for that? When the compressor kicks on does it surge the power? Light dim or something? It is hard to guess without being able to put an o'scope on your machine to be able to see what it is doing, but just based on what your write-up was, I can't see the parts you said they want to replace will fix the problem.

Difficult for you to check this I'm afraid, if the fan on the cooling unit is working unless you have an experienced 'ear' you will not hear the compressor running or worse still occasionally clicking.
Possible faults are
1. Compressor not running (the fan will run even if the compressor does not) electrical fault
2. Compressor seized (consult your service guy) also true for the rest of these
3. Compressor not pumping
4. Refrigerant leak

Not much hope for a cheap repair

in many cases, these units have relays or contactors where the contact points actually weld together. this causes the unit to stay running even though power to the coil has been stopped. I'd start looking there first. don't over look the possibility that someone could have mistakenly miswired the unit.

This freezer has a thermostat that adjusts the coldness of this fridge marked on different ranges from lower to highest, if digital it's adjusted according to coldness you need your consumables to be. so try to adjust it to colder values or it mayn't be faulty not responding either not switching on compressor, this is why it warms up or switches on the compressor with out switching it off for a long time.

It also has a defrost timer that may need to be checked,even the compressor should be checked to
see weather it's working perfectly,plus the compressor relay this is attacked to the compressor
it could be tripping due a malfunctioning.

Contact a service engineer let him/her visit the mentioned areas.

Hope it works for you.

Try refrigeration hardware service out of Colorado. I'm not sure they sell to the end user, give them a try.

Most commercial refrigeration supply houses should be able to help you with getting the heater or if not at least give you a steer
as to where to go or who to contact. Some are really helpful, others can be real jerks. Sorry but without knowing the area you are in I cannot give you more info than that. Did you Google the Brand name of the freezer ?????

If it's frosted up, it's best to defrost manually with heat gun. Find the timer and advance until it goes back into defrost. The timer looks like a residential fridge. It cut the compressor off and the heaters on.
Please rate solution

This sounds like a stuck relay to me. I have seen this problem before. The defrost clock kills power to the compressor relay coil during defrost. If the contacts in the relay are welded together the compressor runs while unit is trying to defrost. On newer units this relay is mounted in base of unit on the side or back of the electrical box near center bottom of unit. The compressor relay is a small rectangular box with 4 wires attached. It can be replaced with a single pole 20 amp contactor with a 120 volt coil/ or 240 volt. Check the units name plate voltage rating and ratings on old relay! ;)