What should I do if the OPERATION indicator and TIMER indicator are blinking at the same time as the ECONOMY indicator blinking fast?
Immediately stop operation and turn off the electrical breaker if the OPERATION indicator and TIMER indicator blink while the ECONOMY indicator is blinking fast. You should then consult authorized service personnel. This symptom indicates a malfunction that requires professional attention. (Page 11)
From the official Fujitsu Fujitsu Air Conditioner Remote Buttons And Functions Guide manual, page 11
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