look at the dish that catches all the defrost water, it is on top of the motor. Is it so full that it is overflowing and letting water drip onto eletrical parts?
The more info you post the better you can be helped.
Make
Model
Product number (PNC, FD, PN, etc)
Serial number
Does this happen every 70 mins, have you checked the wiring to the compressor or the supply power lead.
Does it happen when the compressor switches on or when it is running or after a short time of running or when the compressor is off (or no matter what the compressor is doing)
Does it happen when the fridge has not been touched or a while after the door has been opened.
If you need to find a tradesperson to get your job done, please try our local search below,
or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Please select a service and enter a location to continue...
Are you a trade or supplier? You can create your listing free at DIYnot Local