How to Troubleshoot a Frigidaire Dryer That Won't Heat
FrigidaireFrigidaire DryerModerate⏱ 1 - 2 hours
Инструкция на английском (оригинал iFixit). Непонятные термины — в разделе «Основы → Словарь».
Use this guide to track down and correct a no-heat problem in your stackable Frigidaire or Electrolux front-load dryer. You will confirm incoming power, open the cabinet, test every heat-related component with a multimeter, swap any failed parts, and button the machine back up. Follow each safety check and measurement exactly so you can pinpoint the fault—whether it is a blown fuse, a failed heating element, or a control board that stopped sending power.
🧰 Tools
- 6-in-1 Screwdriver
- Multimeter
- Drill
- Needle Nose Pliers
- Stubby Phillips Screwdriver
- Vacuum Cleaner
- Work Gloves
⚙️ Parts
- 137032600 Frigidaire Dryer Thermal Fuse
- 137032600 - Frigidaire Dryer Thermal Limiter
- 134587700 Frigidaire / Electrolux Dryer Thermistor
- 134587700 - Frigidaire Dryer Control Thermistor
- 3204267 Frigidaire / Electrolux Dryer Thermostat
- Electrolux Dryer Safety Thermostat - 3204267
- 134792700 Frigidaire / Electrolux Dryer Heating Cannister kit
- Frigidaire Dryer Heating 3 Coil Element Assembly 5500 Watt - 134792700
- 137114000 Frigidaire / Electrolux Dryer Heating Cannister
- Electrolux Heater - 137114000
ШагиSteps
1
Verify incoming power
- Remove the single Phillips screw and lift off the small metal cover to expose the block.
- Inspect the cord and block for burned or blackened spots that would inhibit heating.
- Set the multimeter to AC volts and read from center to left and center to right; each should show about 120 V.
- Measure left to right and confirm 208–240 V AC; low or missing voltage means an external electrical problem.
2
Remove top panel
- Take out the two Phillips screws at the rear of the top panel, slide the panel back, and lift it off the cabinet.
3
Detach interface and free control board
- Remove the two screws securing the user interface to the bulkhead and pull it forward slightly.
- Photograph the connector layout, then unplug the interface harness and set the interface aside.
- Take out the two screws holding the control board cross-plate so the board can be shifted later.
4
Remove front panel
- Open the door and remove the two long Phillips screws securing the lint-filter housing to the inner bulkhead.
- Close the door and remove the two lower front-panel screws found slightly inboard of each bottom corner.
- Remove the two upper screws; support the panel as it loosens so it does not drop.
- Lift the panel forward, unplug the door-switch harness, and place the panel out of the work area.
5
Remove front bulkhead
- Unplug the door-light harness from the control board to clear the bulkhead.
- Take out the two lower screws securing the bulkhead, then lift the bulkhead up to unhook it from its side tabs.
- Use needle-nose pliers to pinch and release the cable tie that anchors the door-switch wire to the bulkhead.
- Set the bulkhead aside or lean it safely against the cabinet.
6
Extract drum
- Reach behind the blower housing, pull the idler pulley to the left to slacken the belt, and slip the belt off the motor shaft.
- Grasp the belt and lift the drum straight out of the cabinet, noting which rim faces the rear rollers.
7
Clear lint obstructions
- Inspect the lint-filter chute and blower area for packed debris that can block airflow.
- Vacuum or hand-remove any buildup until the passage is clear and the flexible hose stays unclogged.
8
Test blower thermistor
- Pull the two wires off the black thermistor mounted on the blower housing.
- Set the multimeter to resistance in the 20–200 kΩ range.
- Measure across the terminals; 50-55 kΩ at room temperature indicates a healthy thermistor.
- Replace the thermistor if the reading is far outside this band or the meter displays OL.
9
Check outlet thermal fuse
- Detach the two wires from the outlet thermal fuse located on the vent pipe.
- With the meter on resistance or continuity, probe the fuse; a good fuse reads near 0 Ω.
- An OL reading means the fuse is open and must be replaced before reassembly.
10
Evaluate canister thermostat and fuse
- Remove the wires from the rear-mounted thermostat on the heating canister and measure resistance; it should be near 0 Ω.
- Perform the same test on the mid-canister thermal fuse; it also must read near 0 Ω.
11
Measure heating element resistance
- Label and remove every wire from the heating element terminals.
- On three-plus-one elements, check from the right power post to each left post; 25-30 Ω is normal.
- On two-wire elements, measure between the two posts; about 10 Ω is expected.
- Probe from any post to the metal canister; any reading other than OL indicates a grounded coil that requires replacement.
12
Replace heating element canister
- Note wire colors, then remove the two screws anchoring each canister foot to the cabinet.
- If fitted, remove the small rear screw holding the canister to the bulkhead with a stubby screwdriver or angled wrench.
- Transfer the thermostat, thermal fuse, and mounting legs to the new canister using their original screws.
- Seat the new canister so its feet drop into the chassis slots and reinstall the mounting screws firmly.
- Reconnect all wires fully and secure excess slack with a high-temperature cable tie, avoiding bends in spade connectors.
13
Reinstall drum and belt
- Verify the idler pulley spring is attached and the belt ribs face the drum surface.
- Lower the drum into the cabinet so its rear rim rides between the back rollers.
- Pull the idler pulley left, loop the belt around the motor pulley, then release tension to tighten the belt.
- Rotate the drum by hand to confirm smooth movement and proper belt tracking over the motor and idler pulleys.
14
Refit bulkhead and front panel
- Hang the front bulkhead on its four side tabs, rotate the drum if needed, and install the two lower bulkhead screws.
- Snap the door-switch harness back into the bulkhead and reconnect it to the control board.
- Lift the front panel into place, plug in the door-switch connector, and seat the panel on its chassis tabs.
- Secure the panel with the two top screws, the two bottom screws, and the two long filter-housing screws inside the door.
15
Reconnect interface and top panel
- Plug the interface harness into the original board socket, matching your reference photo.
- Snap the interface tabs into the front and secure it with its two screws.
- Slide the top panel forward into position and reinstall the two rear retaining screws.
16
Inspect control board
- Remove the board cover and look for burned relays, scorched traces, or cracked solder joints.
- Replace the board if physical damage is evident or if earlier tests found no voltage reaching the element.
17
Perform live voltage test
- Using the schematic, place one meter lead on the black line at the terminal block and the other on board pins J52, J71, or J73 while the dryer runs.
- A reading above 200 V AC confirms the board is energizing the element circuit; low or zero voltage means the board is faulty.
After reassembly, run a timed-dry cycle and confirm the drum tumbles and the exhaust reaches normal drying temperature. Repair didn't go as planned? Ask our Answers community for help.
«How to Troubleshoot a Frigidaire Dryer That Won't Heat» — автор Ben Schlichter, iFixit, лицензия CC BY-NC-SA 3.0. Показано без изменений. Открыть оригинал и комментарии →