An E03 error suggests that the condensate tank is full. Emptying the condensation unit is essential after every cycle, so remember to do this before drying a new load. To resolve the issue, follow the steps given below.
Empty the condensation unit
1. Remove the condensation tank. When removing the condensation tank, be aware that water may be warm and that there is no screw cap on the tank.
2. Pull the tank out slowly from the appliance and keep in an upright position.
3. Pour out the water in the sink.
4. When finished, securely replace the tank back into the tumble dryer.
Disclaimer: only for condenser and heat pump dryers.