This means there has been a disruption in the transfer of information from the main pcb to the display s.
Hayward pool communication error 2.
The heater did not start either.
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Gry if the readings on either of these two measurements are outside of the 2 0 2 9 ohms reading the transformer is faulty and should be replaced.
Ie9 and older versions are not supported.
If fuse ok go to step t.
We have a hayward aqua logic filter system and everytime we.
Insert probes between the violet and grey wires and measure resistance.
Communication failed check wiring between display and drive if this is your first visit be sure to check out the faq by clicking the link above.
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My neighbor friend has his own pool service business and got me the board for 555 including tax.
Tfpc trouble free pool care is a methodology not a product that you must purchase.
Deactivate all the breakers in the bottom of the control box and wait 5 10 seconds then re supply power to the control and check the display.
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Replace fuse if blown.
If the readings of either of the two measurements are not 2 0 2 9 ohms the transformer is faulty and should be replaced.
It is being practiced by thousands of pool owners just like you.
2 0 to 2 9 ohms is correct reading.
The ce error code appear on my screen lof my hayward pool heater when turned it on yesterday morning.
Prologic lighting equipment pdf manual download.
Check system light on chlorinator off low volts.
He mentioned hayward is the one supplier that is hard to get cheaper than amazon.
If measurements are ok go to step s.
The readings should be 2 0 2 9 ohms.
The reason is simple.
Why does the screen read communication error.
My aqua logic is showing communication error.
Help answered by a verified pool and spa expert.
2 0 to 2 9 ohms is correct reading.