Final answer:
The correct action when a dish machine's chlorine solution is not working properly is to contact a technician to fix the issue and ensure proper sanitation. Option c is correct.
Step-by-step explanation:
If the chlorine solution in the dish machine is not working properly, the first action you should take is to contact a technician.
Continuing to use the machine, adding more detergent, or skipping the sanitation step would not resolve the issue and could potentially lead to health hazards by failing to properly sanitize the dishes.
Chlorine is essential in the disinfection process to remove bacteria and biological contaminants. It is important that the chlorine levels and machinery are correctly maintained to ensure safe and effective cleaning.