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Billy
Billy, Technician
Category: Pool and Spa
Satisfied Customers: 22420
Experience:  Licensed in Hydronics and Boilers
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Just bought house with pool and mastertemp 400. When i turn

Customer Question

just bought house with pool and mastertemp 400. When i turn the heater on it seems to be working but instead of showing temperature on display it shows the number 1. What's up?
Submitted: 1 year ago.
Category: Pool and Spa
Expert:  Billy replied 1 year ago.

I am very sorry your question has not been picked up yet.

I just logged on and found you had not been assisted.

Please let me know if you still need help and I will do my best. Please do not "Rate" as we have not worked toward an answer yet.

If you would like to proceed let me know by replying. Once again use reply..not "rate".

Customer: replied 1 year ago.
still waiting on an answer
Customer: replied 1 year ago.
Still waiting on answer
Expert:  Billy replied 1 year ago.

Can we rule out that part of the LED is not functioning?

Is there any info that appears if changing temp, off, on, etc?

Customer: replied 1 year ago.
Led is working. I can scroll temp settings , but screen reverts back to the number 1. Does not indicate pool temp.