Question about GE Monogram ZISS420NRSS 42" Built-In Side-By-Side Refrigerator (ZIS-S420NRSS, ZIS S420NRSS)

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Ge monogram zisw42emd, evap fan not coming on, Units been down a week, compressor seized,installed start kit. Compressor running 2.5 amps pressures 25/105 Replaced coil thermostats, evap fan not running.

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  • carlos_de548 Oct 08, 2010

    When the box is first started,
    What will the start up pressures be considering
    The evap fan is not running and the box is warm?

  • carlos_de548 Oct 10, 2010

    R12, I put some hot shot in it, The evap is frosting. I replaced both of thermostats with 25/45 stats.
    The condenser is not hot but i assume its because the the evap is not running and picking up the heat. What should the psi be on start up. It was running at 0psi and i increased to 25 on the low side to make up for the heat load.

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That back pressures sound high to me and the hi side sound low may have a bad compressor not pumping right should run around 0 to 5 low 125 to 150 hi hope that helps

Posted on Oct 08, 2010

  • 1 more comment 
  • sparks194520 Oct 08, 2010

    the pressures should be the same . thay will go down very fast the reason i think the fan is not running is because the evp is not getting cold enough you can jump out the thermostat the fan will run if the motor is good. there are to t stat on the evp 1 is the defrost tstat the other is fan . what gas dose this refer have in it 134a or f12

  • carlos_de548 Oct 10, 2010

    R12, I put some hot shot in it, The evap is frosting. I replaced both of thermostats with 25/45 stats.
    The condenser is not hot but i assume its because the the evap is not running and picking up the heat. What should the psi be on start up. It was running at 0psi and i increased to 25 on the low side to make up for the heat load.

  • sparks194520 Oct 11, 2010

    after 5 to 10 min running the lo side should go down to about 5 LP i think there is to much gas in it or is not pumping right, sorry i missed the second post jim

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