3/20/2019
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Coleman Spas Hot Tub Troubleshooting
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Coleman Spas Hot Tub Parts
- Oct 15, 2014
- 3
- staten island / new york
Spa code of 'Dr' and 'Dry'. How does one fix this issue? PLEAS HELP!!
Hello all, I seem to be having trouble getting my Lx74 spa up and running properly. It seems that every time I fix one thing another just happens to go wrong. I just had both of my pumps removed and serviced last month and they are now running seemingly well but when I try to begin the initial start up my balboa panel is giving me a code 'Dr' twice and then the third try it says 'Dry'. I'm not sure if it is just simply air lock or a more severe issue. Both my blowers and my jets are working, as well as the two different speeds for the jets. I'm not sure if the heater is working just yet because the spa does not run for a long period of time before shutting itself down. It is to my knowledge that those error codes are telling me that there may be insufficient water supply to the heater but when I hand loosen the pipe fittings on both sides of the heater/circuit board, water is leaking out. Also when the tub is initially powered up the blowers go on and remain on regardless of me turning them on/off via my balboa TP600 top side panel. Would you happen to know a way that I can troubleshoot or correct those error codes? Any help would be greatly appreciated.
Hello all, I seem to be having trouble getting my Lx74 spa up and running properly. It seems that every time I fix one thing another just happens to go wrong. I just had both of my pumps removed and serviced last month and they are now running seemingly well but when I try to begin the initial start up my balboa panel is giving me a code 'Dr' twice and then the third try it says 'Dry'. I'm not sure if it is just simply air lock or a more severe issue. Both my blowers and my jets are working, as well as the two different speeds for the jets. I'm not sure if the heater is working just yet because the spa does not run for a long period of time before shutting itself down. It is to my knowledge that those error codes are telling me that there may be insufficient water supply to the heater but when I hand loosen the pipe fittings on both sides of the heater/circuit board, water is leaking out. Also when the tub is initially powered up the blowers go on and remain on regardless of me turning them on/off via my balboa TP600 top side panel. Would you happen to know a way that I can troubleshoot or correct those error codes? Any help would be greatly appreciated.
This only pertains to hot tubs that have a separate circulation pump that runs 24/7. If the hot tub is older and has run for many years calcium can form on the heating element and when the build up reaches a certain size chunks can break loose. When they break loose they will either be pushed into the hot tub if small enough to pass through the plumbing or if bigger will get trapped in the plumbing just behind the jets. If enough calcium chunks build up behind the jets it will restrict the flow through the heater below the 25 gallons a minute required for the M7 heater with the sensors. With the flow reduced the heater will still be heating but the water inside the heater tube will start to get hot as it’s not able to flow through quick enough till it eventually reaches 110F inside the heater tube causing the OH code.
Possible remedy,
Identify the jets where the hot water from the heater exits into the hot tub water. With the hot tub running take a coat hanger and gently poke around inside the jet hole to breakdown the calcium deposit, which will be pushed into the hot tub water from the jet pressure. Once all jets are cleaned successfully full flow should be restored and the code should go away.