Discuss

Frigidaire OTR not heating - advanced tests needed?

 in

Microwave Repair

. "

Hello, I have a Frigidaire PLMV168CC1 over-the-range microwave purchased and installed in about 2004. Recently the microwave stopped heating. All

..."
 
 
Register | FAQ's | New Posts | Today's Posts | Extras
Appliance Repair Forum > Appliance Repair Help > Microwave Repair » Frigidaire OTR not heating - advanced tests needed?

Post New Thread  Reply By reading any content on this site you agree to AppliancePartsPros.com, Inc. disclaimer and Terms of Use.
 
LinkBack Thread Tools Search this Thread Display Modes
  #1 (permalink)  
Old 04-12-2017, 08:19 AM
Junior Member
 
Join Date: Apr 2017
Posts: 1
prskier17 is on a distinguished road
Default Frigidaire OTR not heating - advanced tests needed?
Model Number: PLMV168CC1   Brand: Frigidaire   Age: More than 10 years   

Appliance Parts from AppliancePartPros.com


Hello,
I have a Frigidaire PLMV168CC1 over-the-range microwave purchased and installed in about 2004. Recently the microwave stopped heating. All functionality when attempting to heat works as always (display, timer, fan, light) and the only symptom of the issue is that no actual heating occurs. I have already done a substantial amount of testing to include:

1. Confirm all three door interlocks function properly.
2. Test HV diode (I replaced the diode as I initially thought this might be the issue and they are inexpensive). Turns out the original diode is still good.
3. Test HV capacitor (as much as possible using digital Fluke 87 meter with analog like indicator to see charging and discharging with two 9 volt batteries)
4. Test all thermal switches and confirmed NO or NC per the schematic located within the appliance.
5. I have measured the resistance of primary and secondary windings of the HV transformer. The secondary side was ~5 ohms higher than spec. The primary side was normal.
6. I have measure the resistance of the magnatron and it measured what what was suggested on multiple internet sites.
7. Finally, I can confirm that when I attempt to heat there is 120VAC at the primary side of the HV transformer. I have to tool capable (nor do I want to) of measuring the secondary voltage of the HV transformer.

Questions:
1. Am I correct in assuming that the issue is either with the HV transformer or the Magnatron (since I'm getting 120VAC at the HV transformer primary)?
2. Would a useful HV transformer test be to connect a lower AC voltage (from a doorbell transformer, etc.) to the primary side so I can measure the secondary side?
3. What else can I do to troubleshoot?

Note: I was ready to write this microwave off and purchase a new one until I discovered that all the new OTR microwaves vent (at least the microwave portion, not necessarily the range hood) from the top. This microwave and most others from this vintage have front facing vents on top. Our kitchen cabinet directly above the microwave is approx. 19" deep. All of the current microwave require a max cabinet depth of 12 or 13 inches and we don't want to butcher our cabinets or mount the microwave 6-7 inches from the back wall. So... although this will eventually be an issue I am motivated to fix this! Thanks in advance for any replies and advice!


Related Models
Frigidaire PLMV168CC1 Frigidaire/microwave
Frigidaire PLMV168KC1 Frigidaire/microwave
Frigidaire PLMV168KC2 Frigidaire/microwave
Frigidaire PLMV168KC3 Frigidaire/microwave
Frigidaire PLMV168KC4 Frigidaire/microwave
Frigidaire PLMV169DCA Frigidaire/microwave
Frigidaire PLMV169DCB Frigidaire/microwave
Frigidaire PLMV169DCC Frigidaire/microwave
Frigidaire PLMV169DCD Frigidaire/microwave
Frigidaire PLMV169DCE Frigidaire/microwave
Frigidaire PLMV169DCG MICROWAVE/HOOD COMBO
Frigidaire PLMVZ169GCA Frigidaire/microwave
Frigidaire PLMVZ169GCB MICROWAVE/HOOD COMBO
Frigidaire PLMVZ169GCC MICROWAVE/HOOD COMBO
Frigidaire PLMVZ169HCA MICROWAVE/HOOD COMBO
Frigidaire PLRH1779GS0 REFRIGERATOR
Frigidaire PLRH1779GS2 REFRIGERATOR
Frigidaire PLRH1779GS3 REFRIGERATOR
Frigidaire PLRH1779GS4 REFRIGERATOR
Frigidaire PLRS237ZAB1 Frigidaire/refrigerator
Frigidaire PLRS237ZAB2 Frigidaire/refrigerator
Frigidaire PLRS237ZAB3 Frigidaire/refrigerator
Frigidaire PLRS237ZAB4 Frigidaire/refrigerator
Frigidaire PLRS267ZAB0 Frigidaire/refrigerator
Frigidaire PLRS267ZAB1 Frigidaire/refrigerator
Frigidaire PLRS267ZAB3 Frigidaire/refrigerator
Frigidaire PLRS267ZAB5 Frigidaire/refrigerator
Frigidaire PLRS267ZAB6 Frigidaire/refrigerator
Frigidaire PLRS267ZAB7 Frigidaire/refrigerator
Frigidaire PLRS267ZAB8 Frigidaire/refrigerator
Frigidaire PLRT217TAB0 Frigidaire efrigerator
Frigidaire PLRT217TAB1 Frigidaire/refrigerator
Frigidaire PLRT217TAB2 Frigidaire/refrigerator
Frigidaire PLRT217TAK0 Frigidaire efrigerator
Frigidaire PLRT217TAK1 Frigidaire/refrigerator
Frigidaire PLRT217TAK2 Frigidaire/refrigerator
Frigidaire PLRU1777DS0 Frigidaire/refrigerator
Frigidaire PLRU1778ES0 Frigidaire/refrigerator
Frigidaire PLRU1778ES1 REFRIGERATOR
Frigidaire PLRU1778ES2 REFRIGERATOR
Frigidaire PLRU1778ES3 REFRIGERATOR
Frigidaire PLRU1778ES4 REFRIGERATOR
Frigidaire PLRU1778ES5 REFRIGERATOR
Frigidaire PLRU1778ES6 REFRIGERATOR
Frigidaire PLRU1778ES7 REFRIGERATOR
Frigidaire PLRU1778ES8 REFRIGERATOR
Frigidaire PLT189WJKM0 REFRIGERATOR
Frigidaire PLT189WJKM1 REFRIGERATOR
Frigidaire PLT189WJKM2 REFRIGERATOR
Frigidaire PLT189WJKM3 REFRIGERATOR
Frigidaire PLT189WJSM0 REFRIGERATOR
Frigidaire PLT189WJSM1 REFRIGERATOR
Frigidaire PLT189WJSM2 REFRIGERATOR
Frigidaire PLT189WJSM3 REFRIGERATOR
Frigidaire PLT219WJKM0 REFRIGERATOR
Frigidaire PLT219WJKM1 REFRIGERATOR
Frigidaire PLT219WJSM0 REFRIGERATOR
Frigidaire PLT219WJSM1 REFRIGERATOR
General Electric PNM1871SM1SS MICROWAVE
General Electric PNM1871SM2SS MICROWAVE
General Electric PNM1871SM3SS MICROWAVE
General Electric PNM1971SR1SS MICROWAVE
General Electric PNRQ15FBL00 Wh filt sys
General Electric PNRQ20FBB00 Wh filt sys
General Electric PNRQ20FBL00 Wh filt sys
General Electric PNRQ20FCC00 Wh filt sys
General Electric PNRQ20FWW00 Wh filt sys
General Electric PNRQ21LBN00 Wh filt sys
General Electric PNRQ21LRB00 Wh filt sys
General Electric PNRV12ZBL01 Uc filtration-carbon
General Electric PNRV12ZWH01 Filtration-rev osmosis
General Electric PNRV18ZBB01 Uc filtration-carbon
General Electric PNRV18ZBL01 Uc filtration-carbon
General Electric PNRV18ZCC Filtration-rev osmosis
General Electric PNRV18ZWH01 Uc filtration-carbon
General Electric PNRV18ZWW01 Uc filtration-carbon
Admiral PNS24H9 REF - SXS/I&W
Admiral PNS24H9A REF - SXS/I&W
Admiral PNS24H9H REF - SXS/I&W
General Electric PNSF31Z01 Uc filtration-carbon
General Electric PNSF35B00 Water softeners
General Electric PNSF39Z01 Uc filtration-carbon
Admiral PNT22F9 REF - TOP MOUNT/ I&W
Admiral PNT22F9A REF - TOP MOUNT/ I&W
Admiral PNT22F9L REF - TOP MOUNT/ I&W
Admiral PNT22F9LA REF - TOP MOUNT/ I&W
Maytag PNT22H9 REF - TOP MOUNT/ I&W
Maytag PNT22H9 REF - TOP MOUNT/ I&W
Maytag PNT22H9A REF - TOP MOUNT/ I&W
Maytag PNT22H9A REF - TOP MOUNT/ I&W
Maytag PNT22H9Y REF - TOP MOUNT/ I&W
Maytag PNT22H9Y REF - TOP MOUNT/ I&W
General Electric PP912BM1BB Electric range
General Electric PP912BM2BB ELECTRIC COOKTOP
General Electric PP912BM3BB ELECTRIC COOKTOP
General Electric PP912KM1CC Electric range
General Electric PP912KM2CC ELECTRIC COOKTOP
General Electric PP912KM3CC ELECTRIC COOKTOP
General Electric PP912SM1SS Electric range
General Electric PP912SM2SS ELECTRIC COOKTOP
General Electric PP912SM3SS ELECTRIC COOKTOP
General Electric PP912TM1WW Electric range
General Electric PP912TM2WW ELECTRIC COOKTOP
General Electric PP912TM3WW ELECTRIC COOKTOP
General Electric PP932BM1BB Electric range
General Electric PP932BM2BB ELECTRIC COOKTOP
General Electric PP932BM3BB ELECTRIC COOKTOP
General Electric PP932KM1CC Electric range
General Electric PP932KM2CC ELECTRIC COOKTOP
General Electric PP932SM1SS Electric range
General Electric PP932SM2SS ELECTRIC COOKTOP
General Electric PP932SM3SS ELECTRIC COOKTOP
General Electric PP932TM1WW Electric range
General Electric PP932TM2WW ELECTRIC COOKTOP
General Electric PP942BM1BB Electric range
General Electric PP942BM2BB ELECTRIC COOKTOP
General Electric PP942BM3BB ELECTRIC COOKTOP
General Electric PP942SM1SS Electric range
General Electric PP942SM2SS ELECTRIC COOKTOP
General Electric PP942SM3SS ELECTRIC COOKTOP
Reply With Quote
See inside of your appliance - diagrams and part photos for virtually every model.

powered by AppliancePartsPros.com
 
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
1974 Frigidaire parts needed Michelle C. Refrigerator & Freezer Repair 0 02-28-2016 04:38 PM
Heating Element Needed timbarkley Oven Repair (including Ranges and Cooktops) 1 12-17-2012 04:27 PM
Old Westinghouse Oven, lower heating element needed scottl184 Oven Repair (including Ranges and Cooktops) 0 09-20-2010 05:15 PM
Is a new heating element needed here? mcf57 Dryer Repair 0 07-14-2010 06:39 AM
Frigidaire Gasket Needed dogan Refrigerator & Freezer Repair 0 10-31-2009 12:38 PM



All times are GMT -7. The time now is 01:39 PM.

The content on this web site is for informational purposes only and is not intended to replace an on-site diagnosis from a qualified appliance service technician. By reading any content on this site you agree to AppliancePartsPros.com , Inc. disclaimer and Terms of Use.
Powered by vBulletin® Version 3.6.4
Copyright ©2000 - 2017, Jelsoft Enterprises Ltd.
Content Relevant URLs by vBSEO ©2011, Crawlability, Inc.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17