Question about Pool & Spa
H-Series heater. Code SF or 5F
The code is SF. This is a teemperature sensor failure. Check the wiring on the electroniics bord and confirm its not damaged and that it is securly plugged in. If all is good than the temperature sensor will need placing.m either a gas fitter or swimming pool reepair center will help with this is your not comfortable replacing it
Posted on Jul 18, 2013
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Posted on Jan 02, 2017
SOURCE: Error code LO
Is the heater installed indoors?? if so you'll need a vent pressure orifice kit.
if not check your water press. (below 18 PSI on filter) Place filter on "recir" if it fires and stays on . it's the pressure.
check to see if all connections a set tight hi-ltd switch wire harness etc.
Posted on Jun 07, 2009
Code "CE" stands for communication error and describes a fault between the mother board and the display. I doubt it's the relay causing it though...
Posted on Apr 23, 2010
CE= Communication Error between Control Module
and Display Interface Assembly
1. Disconnect and then reconnect power to heater.
2. Check for faulty wiring or connection.
Inspect Display Interface Wiring. Ensure Display Interface Plug is securely attached to Control Module. .
3. Control Module and/or Display Interface Assembly
are defective.Replace Control Module and/or Display Interface Assembly.
Here is a linkt oH aywardmanuals:
Posted on Jul 05, 2010
SOURCE: error code either 5f
Temp sensor failure. The temp sensor should be screwed into the header near the plumbing and is wired in to the control panel ( where you raise or lower pool temp) Almost positive the wire is blk/red
If you unscrew the temp sensor and its corroded ( green) try cleaning it with a wire brush, if it still doesnt work, replace the sensor. Worst case, the new sensor doesnt work, that means the old sensor was fine and its the board that its plugged into thats bad. Not likely, but always possible... sensor is much cheaper then a board so go that route first.
Posted on Aug 22, 2010
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Thank you for posting your question here on Fixya.com.
An SF error refers to the temperature sensor. Per your Hayward owner's manual:
From your manual, found here: http://www.hayward-pool.com/pdf/manuals/Manual285.pdf
The sensor screws into the inlet/outlet header and has three wires and a plug that make their way to the back of the control board. Check to see if there is damage to the wire(s) and repair if there is. Otherwise you need a new thermistor. Your part number should be IDXLTER1930.
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