Faulty operation of the refrigerating and air conditioning plants is indicated by various definite symptoms. Information in figures 6-12 and 6-13 indicates some possible troubles that may be en-countered, the possible causes of these troubles, and the corrective action which may be taken. But remember always consult the manufacturers technical manual before attempting any repair or adjustment on your equipment.

Figure 6-12.Trouble diagnosis chart.

Figure 6-12.Trouble diagnosis chartContinued.

Figure 6-12.Trouble diagnosis chart-Continued.

Figure 6-13.Trouble diagnosis chart.