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@Las Vegas

也许就一门开关问题

service4you(老张师傅)
Models: GH9177XL GH5176XP GH5184XP GH6178XP GH6177XP
KHHS178L KHHS179L
Microwave will not operate (cook). F7 error code
appears on the display.
Electrical circuit interruption between L1 and Neutral in
the microwave inverter circuit.
Possible reasons:
1. Check door, hinge and cavity front alignment and adjust
as needed.
2. Check the operation of all interlock switches.
3. Check over temperature protector for the magnatron.
4. Check all Cavity Thermostats for closed circuit.
5. Unplug the oven for at least 40 seconds. If this solves
the problem
A. Check the Cooling Fan for proper operation or
blockage
B. Check the resistance of the magnetron thermostat.
It should be 0 Ohms, replace if necessary.
6. Check that the control cable to the 1100 watt inverter
is properly connected to plug P2 on the display PCB
& Adjust or Reconnect
7. If interlock switches operate correctly, replace 1100W
inverter.
8. If problem persists, replace control assembly.
(#8052485@0)
Last Updated: 2013-2-12
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Replies, comments and Discussions:

  • 枫下家园 / 家用电器 / 家里灶台上方的Whirlpool微波炉(over the range microwave)不工作，显示“F7”错误。自己查了一下，可能是电压转换器坏了，不知对不对，值不值得修。谢谢各位！祝春节快乐！ -whiteday(Goodday); 2013-2-10 (#8048240@0)
    • 不值得。 -pingdan(pingdan); 2013-2-10 (#8048334@0)
      • 如果买个同样的， SEARS大概要$600 到$650，不知道修理大概的费用是多少？谢谢。 -whiteday(Goodday); 2013-2-10 (#8048337@0)
        • 新的也就是300-400之间 -fzhou(民工); 2013-2-10 (#8048405@0)
    • 也许就一门开关问题 -service4you(老张师傅); 2013-2-12 {976} (#8052485@0)
      Models: GH9177XL GH5176XP GH5184XP GH6178XP GH6177XP
      KHHS178L KHHS179L
      Microwave will not operate (cook). F7 error code
      appears on the display.
      Electrical circuit interruption between L1 and Neutral in
      the microwave inverter circuit.
      Possible reasons:
      1. Check door, hinge and cavity front alignment and adjust
      as needed.
      2. Check the operation of all interlock switches.
      3. Check over temperature protector for the magnatron.
      4. Check all Cavity Thermostats for closed circuit.
      5. Unplug the oven for at least 40 seconds. If this solves
      the problem
      A. Check the Cooling Fan for proper operation or
      blockage
      B. Check the resistance of the magnetron thermostat.
      It should be 0 Ohms, replace if necessary.
      6. Check that the control cable to the 1100 watt inverter
      is properly connected to plug P2 on the display PCB
      & Adjust or Reconnect
      7. If interlock switches operate correctly, replace 1100W
      inverter.
      8. If problem persists, replace control assembly.
    • 好像不是微波炉的问题，我的也是炉头上面的，十次使用微波炉大约有2次会跳闸，把电路板上的红色开关搬过去，微波炉就能正常工作了，知道有问题不知怎么解决，一直就这么对付用的。 -deserttrip(listening); 2013-2-17 (#8060463@0)
      • 应该不是跳闸，因为还能转，只是不加热，灯和换气扇也工作。估计是得换个新的，不过不会再用WHIRLPOOL的了！ -whiteday(Goodday); 2013-2-17 (#8060526@0)

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