Dryer heating elements lite up before machine is powered on, then trips the high temp breaker (red reset button). We have to unplug it from 220 service, reset breaker then put clothes in and turn it on, we have to watch for when clothes are dry, then pull the plug or we end up having to reset red button and start over. Thoughts?

SOURCE: Fisher and paykel clothes dryer ED 54 -U

go back to the last thing that changed..."as soon as I put the unit back together"...what item may have pinched a wire during re-assembly....not saying it wasn't pinched before you started. I am saying there is a possibility of a wire pinched to chassis...an electrical short.

SOURCE: Fisher and Paykel DEGX1 Electric Dryer Stays Warm

Yes, get a new element. The reason it's on all the time is because the element coils have broken and one of the coils is touching the canister that encloses it. This creates a direct short to ground. By the way, the element has 120 volts to it all the time. It will only HEAT when 240 is applied through the centrifugal switch of the motor. Your 120 volts is shorting to ground... not enough amps to trip the circuit breaker, but enough to glow the element.

SOURCE: Fisher Paykel degx1 electric clothes dryer

Thermostats, the dryer temperature control switches, are controlled by the temperature inside the dryer or by the heat of the motor. One or more thermostats on the panel can be adjusted to control the temperature in the dryer. Operating thermostats sometimes stick, causing control problems. These thermostats are usually positioned near the exhaust duct bulkhead or the fan housing of the dryer. Remove the back panel of the dryer to get at them. 

Before you make any checks, try tapping the housing of the thermostats lightly with the handle of a screwdriver. This may jar the contacts loose. Temperature control switches are located behind the dryer control panel, and the panel must be removed for switch testing or replacement. Here's how to test and replace the thermostat:

Step 1: To check the control panel thermostat, make sure power is off to the dryer. Test the thermostat with a VOM set to the RX1 scale. Clip one probe of the VOM to each thermostat terminal. If the meter reads zero, the thermostat is working. If the needle jumps to a high reading, the thermostat is faulty and should be replaced.
Step 2: If necessary, replace the thermostat with a new one of the same type. Connect the new thermostat the same way the old one was connected.

Step 3: To check an operating thermostat, first make absolutely certain that the power to the dryer has been turned off and the dryer is cool. Then disconnect the leads to one side of the thermostat. Test an operating thermostat with a VOM set to the RX1 scale; clip one probe to each terminal of the thermostat. Disconnect the leads to one side of the thermostat so that the meter won't give a false reading. If the meter reads zero, the thermostat is working. If the needle jumps to a high reading, the thermostat is faulty and should be replaced.

SOURCE: Dryer is working but not heating up or drying clothes

bad heat element

SOURCE: First the dryer stopped heating, then when the

This is a situation that you need to be very careful with. It sounds like you have a grounded heating element. If this is the case, then the current can be running through the dryer's frame and can cause electrical shock. Keep the dryer unplugged and check the heating element for continuity. If it has none, replace the heating element. BE CAREFUL. Hope this helped and best wishes.