Rivacold ST Series - Page 60

ST-SP Pag. 60 Rev 02 05/13
UK
POSSIBLE CAUSES SOLUTIONS
L
Suction piping frosted
1 Expansion valve with excessive flow of gas or over-sized.
2 Expansion valve blocked in open position.
3 Evaporator ventilator does not work.
4 High gas load.
1 Regulate the valve or replace it with one correctly sized.
2 Clean the valve of foreign substances or replace it if
necessary.
3 Identify the cause and eliminate it.
4 Reduce the load.