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Raypak FFL Fault Code

I am using a Raypak 406A Atmospheric Model Natural Gas. I am getting a FFL fault code and wont let the heater start. Any thought of what this is from and how to fix?

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Clearing the ffl code

Posted on Aug 30, 2009


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The ffl is a false flame sensing when the heater is not in call for heat mode.

Posted on Feb 21, 2009


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How can i fix a model raypak 406A natural gas pool heater with a rollout switch open indicated?

replace but find out why either inproper gas supply which will soot up and overheat and burn that part or if gas is ok then see if wind caused it to roll out then add a wind stack

Aug 17, 2014 | Raypak 406A Digital ASME Natural Gas IID...

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What could becausing my raypak model 406A natural gas pool heater is not working states roll out sw open

replace fusible link but see why it overheated wind or not enough gas pressure

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Raypak 406A won't light

check wiring if 120 volt see wiring on inside of front panel if wiring ok switch black and white to see if it stays running

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2 Answers

Have an error code GVP

You didn't indicate what model heater you have, but here are some of the fault codes you might see. Could it have been GVO? You can download a manual for your exact model at
BD1 Board failure
EEP Microprocessor error
FAN Blower pressure failure
FFL Flame sensing when pilot and gas
valves are closed
GVC Gas valve closed
GVO Gas valve open
HL1 High limit switch #1 open
HL2 High limit switch #2 open
IGN Ignition failure
ILO Ignition lockout - Propane units only
PRS Water pressure switch open
ROL Heat roll-out safety switch open
SNS Sensor failure, Water temp. below 36°F
or above 110°F
VNT Vent switch open

Aug 03, 2010 | Raypak Free Hydraulic Lift Gate Delivery -...

2 Answers

Opened the pool for the season but can't get heater to start

the most common problem is pilot light. IF you have electronic ignition, check the electronic starter. You also need to be sure you are getting gas to the unit.

May 25, 2009 | Raypak Rp2100 Pool & Spa Heater Lonox 407k...

2 Answers

Raypak 2100 digital heater give fault code eol

ILO or ROL. There is no EOL.

ROL is a switch inside the lower left corner of the heater. Press the red button. ILO is a lockout. Power down and power up.

Nov 22, 2008 | Raypak Pool & Spa

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