im having problems with my electrolux fridge running on gas it wont light .i dont think its the thermocouple as it wont light if its left overnight it lights from cold but when it goes off wont relight anybody have any suggestions ive tried to get someone to look at the fridge but all service people are booked for months ,i dont know when fridge was last serviced as we only bought van in april and only used it twice tia