Cal Spas hot tub flash "FL", low flow.?

bbj1776

Checked the pump, it looks good. When tub is turned on , the pump come on, led shows FL.
Did get to start heating, but when engage jet it would stop pumping and led would go to FL.

Answer
Here is what my manual says:

FL Flow switch (heater is deactivated. The filter/circulation may also be deactivated.) Proper flow of water is inhibited or a flow switch has malfunctioned. Check for proper water level and for clogged filter.

*NOTE: This message can also appear if the pump has not regained prime after the hot tub has been drained and refilled. If you suspect this is the case, see instructions under "Pump does not operate and icon does."

The instructions under "Pump does not operate but..." are as follows:

Depress the jets sensor
1. If no sound is detected or if a buzzing sound is detected, turn off power to the hot tub and contact your dealer or service center.
2. If motor operates but no water flows to jets: Pump may not be properly primed. See instructions on priming pump.

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Title Post: Cal Spas hot tub flash "FL", low flow.?
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