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What are the reasons for the first two fans of Refine not working?

2 Answers

McSophie

07/23/25 8:59pm

Relay failure, thermostat switch failure, or insufficient water temperature can all cause the first two fans of Refine not to work. Relay failure: If the water temperature meets the requirements but the car radiator fan still does not work, then it is an issue with the fan relay. If the relay fails, the car radiator fan will not operate. Thermostat switch failure: It is necessary to check the thermostat switch, as this component can sometimes develop faults that affect the operation of the car radiator fan. Therefore, it should be inspected carefully. Insufficient water temperature: The fan will only start rotating normally when the water temperature inside the car reaches the required level. If the temperature is too low, the radiator fan will not rotate. Therefore, when the car radiator fan fails to work, the first step is to check whether the water temperature has reached the required level. Solutions for the first two fans of Refine not working: Replace the damaged relay, replace the damaged thermostat switch, check whether the water temperature meets the requirements, and if the water temperature cannot rise, the car engine needs to be inspected.

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AlyssaDella

08/10/25 6:49pm

Yesterday, I encountered the same issue with my neighbor Lao Wang's Refine—the first two fans just wouldn't spin. I figured the most common culprit is a blown fuse. So, I popped open the fuse box on the left side of the engine bay, located the one marked with a fan symbol, and pulled it out to check if the metal wire was broken. If it looked intact, the next step was to inspect the relay—that little black cube—giving it a couple of light taps sometimes works as a temporary fix. If that didn’t help, then the thermostat switch might be on strike, failing to send a signal even when the coolant hits 90°C, leaving the fans idle. Loose wiring connections are also a frequent offender, especially after rainy days when oxidation sets in. If all else fails, it’s best to head to the repair shop for a diagnostic scan—don’t wait until the engine overheats to regret it.

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