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I just installed a new Reznor Udap100 and it's making loud vibration noise when starting up and shutting down...when its running for a minute or so the sound goes away. It's new and I was won

Unit is making loud noise on shut down and start up...put runs quiet once it's been on for about 40 seconds. It's brand new, and the noise only happens when it first starts up..and when the system is cycling off.

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6 Suggested Answers

6ya6ya
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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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KOakaKO
  • 135 Answers

SOURCE: "Cool" mode shuts off

An E1 error is automatically generated after the AC runs for so many hours to remind you to clean the filter. The owners manual says to clean the filter and unplug the unit, then plug unit back in and code will be reset. However, a User review stated that his code was not reset until he followed a fairly simple routine. "Unplug the unit. Hold down the power button and plug back in. Wait to hear a "beep" and then unplug it again. Plug unit in again and it should restart without E1 code."

Posted on Aug 04, 2007

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22yooper
  • 828 Answers

SOURCE: Haier ESA 3185 AC won't cool; makes escalating loud vibrating noise near front panel/ filter

Have someone check the run capacitor of this unit. If the run capacitor is bad over shorted it can cause the unit to run and short cycle on a current overdraw. This makes for an electrical imbalance in the compressor motor. Next step is the compressor is faulty.

Posted on May 16, 2008

  • 230 Answers

SOURCE: Brand new right out of box Everstar MPK-10CR-1 portable 10,000 BTU's

It sounds to me like it is overheating. Make sure that all of the literature that came with the unit is accounted for. Many times the manual or instructions are blocking the exhaust causing it to overheat. If this is not the problem then I would suggest exchanging it for a new one. It may be a manufacturer defect.

Posted on Jun 27, 2008

thaurfen
  • 623 Answers

SOURCE: Clunking noise when compressor shuts off

the technician was right....thank you!!!

Posted on Aug 06, 2008

meBNme
  • 334 Answers

SOURCE: HEATER MAKING LOUD NOISES

Check the draft inducer motor for any partial blockages or dibri.

I've seen sticks, birds nest particles and pieces of deteriorating fan blades (squirrel cage type fans) cause this.

You might also find that the inducer motors bearing are going.

If its a loud vibrating grinding type noise, I'd suspect bearings or missing pieces of the blades. (unbalanced)
If it's a clanking type noise I'd suspect loose items hitting the fan.

The inducer motor will only operate right before and during burner operation, while the blower motor can operate at any time depending on your setting.

Posted on Dec 06, 2008

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Check the draft inducer motor for any partial blockages or dibri.

I've seen sticks, birds nest particles and pieces of deteriorating fan blades (squirrel cage type fans) cause this.

You might also find that the inducer motors bearing are going.

If its a loud vibrating grinding type noise, I'd suspect bearings or missing pieces of the blades. (unbalanced)
If it's a clanking type noise I'd suspect loose items hitting the fan.

The inducer motor will only operate right before and during burner operation, while the blower motor can operate at any time depending on your setting.

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Have someone check the run capacitor of this unit. If the run capacitor is bad over shorted it can cause the unit to run and short cycle on a current overdraw. This makes for an electrical imbalance in the compressor motor. Next step is the compressor is faulty.

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