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Thread: Amana wont light-sometimes

  1. #1
    Bise is offline New Member
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    Amana wont light-sometimes

    I have an Amana Air Command High Efficency 90. Model # guc070x30a.
    When it fails the igniter heats up 3 times to light the gas and then the blower kicks on with no fire and runs untill I notice and stop it. It had been happening about once a week, but its been happening more frequently lately (3 times last 48hrs.). I've been getting it going by turning the thermostat down (to shut the blower off) and then back up and it will USUALLY light right away. I've pulled the burners off and cleaned them, but I dont think I'm even getting gas the times it fails.
    ANY help would be great.
    Thanks

  2. #2
    mikee is offline New Member
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    RE: Amana Furnace ignition problem

    Bise,

    Did you ever figure out the root cause of this and/or get it repaired? My same model furnace is exhibiting the same symptoms, except that it refuses to turn on.

    I suspected it wasn't getting any gas after summoning the courage to determine if the gas was actually coming out from the nozzles by (insert 6 o' clock news worthy antics here). I then turned the gas valve (the one inside the furnace) back and forth a few times and gave a gentle tap on some of its components with a screwdriver handle. I cycled the power for 30 seconds, and it began working.

    Perhaps it was a stuck gas valve? I suspect I'll being having it repaired this winter by a professional repair man when the holiday weekend rates are in effect.

    Amana Service Manual (if i can't attach it)
    Google: "guc070x30a service instructions"

    It has the trouble codes the computer unit flashes, though you have to detach the lower door to see the model number of the control computer.


    Perhaps Google will index these Amana Furnace Model numbers and help someone else:

    GUC045B30A P9898401F
    GUC070B30A P9898402F
    GUC070B40A P9898403F
    GUC090B35A P9898404F
    GUC090B50A P9898405F
    GUC115B50A P9898406F
    GUC045B30B P1106901F
    GUC070B30B P1106902F
    GUC070B40B P1106903F
    GUC090B35B P1106904F
    GUC090B50B P1106905F
    GUC115B50B P1106906F
    GUC045B30C P1114301F
    GUC070B30C P1114302F
    GUC070B40C P1114303F
    GUC090B35C P1114304F
    GUC090B50C P1114305F
    GUC115B50C P1114306F
    GUC045C30C P1114307F
    GUC070C30C P1114308F
    GUC070C40C P1114309F
    GUC090C35C P1114310F
    GUC090C50C P1114311F
    GUC115C50C P1114312F
    GUC045X30A P1173601F
    GUC070X30A P1173602F
    GUC070X40A P1173603F
    GUC090X35A P1173604F
    GUC090X50A P1173605F
    GUC115X50A P1173606F
    GUC045X30B P1208701F
    GUC070X30B P1208702F
    GUC070X40B P1208703F
    GUC090X35B P1208704F
    GUC090X50B P1208705F
    GUC115X50B P1208706F
    GUC045X30B P1212901F
    GUC070X30B P1212902F
    GUC070X40B P1212903F
    GUC090X35B P1212904F
    GUC090X50B P1212905F
    GUC115X50B P1212906F
    GUC090X35BI P1209404F
    GCC045B30A P9898501F
    GCC070B30A P9898502F
    GCC070B40A P9898503F
    GCC090B40A P9898504F
    GCC090B50A P9898505F
    GCC115B50A P9898506F
    GCC045B30B P1107001F
    GCC070B30B P1107002F
    GCC070B40B P1107003F
    GCC090B40B P1107004F
    GCC090B50B P1107005F
    GCC115B50B P1107006F
    GCC045C30C P1114407F
    GCC070C30C P1114408F
    GCC070C40C P1114409F
    GCC090C40C P1114410F
    GCC090C50C P1114411F
    GCC115C50C P1114412F
    GCC045C30C P1161801F
    GCC070C30C P1161802F
    GCC070C40C P1161803F
    GCC090C40C P1161804F
    GCC090C50C P1161805F
    GCC115C50C P1161806F
    GCC045X30A P1161807F
    GCC070X30A P1161808F
    GCC070X40A P1161809F
    GCC090X40A P1161810F
    GCC090X50A P1161811F
    GCC115X50A P1161812F
    GUD045B30A P1115001F
    GUD070B30A P1115002F
    GUD070B40A P1115003F
    GUD090B35A P1115004F
    GUD090B50A P1115005F
    GUD115B50A P1115006F
    GUD045C30A P1115007F
    GUD070C30A P1115008F
    GUD070C40A P1115009F
    GUD090C35A P1115010F
    GUD090C50A P1115011F
    GUD115C50A P1115012F
    MODEL M/N MODEL M/N MODEL M/N
    GUD045C30A P1164501F
    GUD070C30A P1164502F
    GUD070C40A P1164503F
    GUD090C35A P1164504F
    GUD090C50A P1164505F
    GUD115C50A P1164506F
    GUD045X30A P1164507F
    GUD070X30A P1164508F
    GUD070X40A P1164509F
    GUD090X35A P1164510F
    GUD090X50A P1164511F
    GUD115X50A P1164512F
    GUD045X30B P1208001F
    GUD070X30B P1208002F
    GUD070X40B P1208003F
    GUD090X35B P1208004F
    GUD090X50B P1208005F
    GUD115X50B P1208006F
    GUD045X30B P1213101F
    GUD070X30B P1213102F
    GUD070X40B P1213103F
    GUD090X35B P1213104F
    GUD090X50B P1213105F
    GUD115X50B P1213106F
    GUX045B30A P1119801F
    GUX070B30A P1119802F
    GUX070B40A P1119803F
    GUX090B35A P1119804F
    GUX090B50A P1119805F
    GUX115B50A P1119806F
    GUX045B30A P1161701F
    GUX070B30A P1161702F
    GUX070B40A P1161703F
    GUX090B35A P1161704F
    GUX090B50A P1161705F
    GUX115B50A P1161706F
    GUX045X30A P1161707F
    GUX070X30A P1161708F
    GUX070X40A P1161709F
    GUX090X35A P1161710F
    GUX090X50A P1161711F
    GUX115X50A P1161712F
    GUX045X30B P1207801F
    GUX070X30B P1207802F
    GUX070X40B P1207803F
    GUX090X35B P1207804F
    GUX090X50B P1207805F
    GUX115X50B P1207806F
    GUX045X30B P1213001F
    GUX070X30B P1213002F
    GUX070X40B P1213003F
    GUX090X35B P1213004F
    GUX090X50B P1213005F
    GUX115X50B P1213006F
    GUX070X30BI P1209302F
    GDC045X30B P1208101F
    GDC070X30B P1208102F
    GDC070X40B P1208103F
    GDC090X40B P1208104F
    GDC090X50B P1208105F
    GDC115X50B P1208106F
    GDC045X30B P1213201F
    GDC070X30B P1213202F
    GDC070X40B P1213203F
    GDC090X40B P1213204F
    GDC090X50B P1213205F
    GDC115X50B P1213206F
    GCD070X30B P1212802F
    GCD090X40B P1212804F
    GCD070X30B P1217602F
    GCD090X40B P1217604F

  3. #3
    HayZee518's Avatar
    HayZee518 is offline Deity
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    the following link is to gas valves for your heater. you might check out the Amana site for any heat product recalls.
    Gas Valves - Amana: American HVAC Parts

  4. #4
    Bise is offline New Member
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    Mikee,
    It was the valve.
    The problem gradually got worse untill the furance wasnt relighting at all after I would shut it down. Not knowing what else to do, I took the handle of a screwdriver and tapped it on the valve that is controlled by the thermostat. The furnace light right up every time for the next couple days. Then it would be the same thing; wouldnt light unless you gave the valve a tap.
    I went to the local heating and cooling repair guys and had a new valve in 5 days for $55 or so. I put the valve on myself, but didnt trust myself to take apart and clean the old gas valve.
    I would take HayZee's advice and check for recalls too.
    Luck to you.
    bise

  5. #5
    crouch_1 is offline New Member
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    Quote Originally Posted by Bise View Post
    I have an Amana Air Command High Efficency 90. Model # guc070x30a.
    When it fails the igniter heats up 3 times to light the gas and then the blower kicks on with no fire and runs untill I notice and stop it. It had been happening about once a week, but its been happening more frequently lately (3 times last 48hrs.). I've been getting it going by turning the thermostat down (to shut the blower off) and then back up and it will USUALLY light right away. I've pulled the burners off and cleaned them, but I dont think I'm even getting gas the times it fails.
    ANY help would be great.
    Thanks
    try checking the flame sensor. sometimes it gets film on it causes false reading. its located on end of burner rail mine had yellow wire going to it. i removed lightly sanded then installed it back. problem solved only took about ten minutes to fix hope this works for you.

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