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  1. #1
    Setting Up Camp
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    DSI Fault Flickers when starting electric tank

    I have a relatively new 2020 315RLTS. Went to turn on the electrict hot water tank and noticed that the DSI Fault light flickered. It was very dim but it flickered once and never came back on. Do I have a problem?

  2. #2
    Big Traveler boyscout's Avatar
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    Quote Originally Posted by AWA315RLTS View Post
    I have a relatively new 2020 315RLTS. Went to turn on the electrict hot water tank and noticed that the DSI Fault light flickered. It was very dim but it flickered once and never came back on. Do I have a problem?
    Probably not, I've noticed a very brief flicker on ours occasionally.

    It's supposed to light when the board is telling the heater it needs to heat, but go out if the electric heater is doing that job.

    Turn off the electric, let the water heater cool down, and then try it on gas to be sure there isn't an issue. There wasn't / hasn't been (touch wood) on ours.
    Mark - 2018 Solitude 310GK - 2017 F-350 diesel SRW short box - Pullrite Superglide hitch

  3. #3
    Seasoned Camper Da Breeze's Avatar
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    From my understanding, the light should always be on whenever the HW heating element is activated....
    whether its gas or electric.

    Michael

    Sent from my SM-G930T using Tapatalk
    Previously known as mikgala

    F-250 7.3 PSD Lariat Super Cab LB wt 152K - 25 row Ford tranny cooler, A&E Air Intake system, TS-6 high performance Super Chip, Air Ride airbags, Bilstein shocks

    2017 Reflection 307 MKS 9,875 UVW / 12,995 GVWR / 1,605 Pin

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  4. #4
    Fireside Member BC315RLTS's Avatar
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    My light only flickers on electric as well. The only time it should stay lit is if there is a fault while lighting.
    2019 Reflection 315RLTS
    2019 Ford F250 Lariat SuperCab PSD SRW

    Former set up:
    2013 Kodiak 291RESL
    2017 Ford F150 Platinum

  5. #5
    Seasoned Camper
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    Quote Originally Posted by Da Breeze View Post
    From my understanding, the light should always be on whenever the HW heating element is activated....
    whether its gas or electric.

    Michael

    Sent from my SM-G930T using Tapatalk
    This is incorrect, the DSI should come on briefly when gas is turned on but turn off once the gas side of the unit is operational. If it stays on the unit is not igniting.
    Regards, Bruce, Lin An, Kenji & Suki (Our two Akitas)
    2019 Solitude 310GK-R
    2015 Ram 3500 Big Horn CC, TD, Aisin Tranny, DRW

  6. #6
    Seasoned Camper Da Breeze's Avatar
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    Quote Originally Posted by BB&LAB View Post
    This is incorrect, the DSI should come on briefly when gas is turned on but turn off once the gas side of the unit is operational. If it stays on the unit is not igniting.
    I stand corrected... memory failed me temporarily LOL !!

    Michael
    Previously known as mikgala

    F-250 7.3 PSD Lariat Super Cab LB wt 152K - 25 row Ford tranny cooler, A&E Air Intake system, TS-6 high performance Super Chip, Air Ride airbags, Bilstein shocks

    2017 Reflection 307 MKS 9,875 UVW / 12,995 GVWR / 1,605 Pin

    [SIGPIC][/SIGPIC]

  7. #7
    Seasoned Camper Da Breeze's Avatar
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    Quote Originally Posted by BB&LAB View Post
    This is incorrect, the DSI should come on briefly when gas is turned on but turn off once the gas side of the unit is operational. If it stays on the unit is not igniting.
    I must retract my prior statement.!
    I don't know if it's a different system in my unit, but I double-checked it yesterday and the HW light definitely stays ON when either gas or electric is engaged.
    This is designed to tell me the system is ON. All is operating normally.



    Sent from my SM-G930T using Tapatalk
    Last edited by Da Breeze; 12-20-2019 at 08:42 AM.
    Previously known as mikgala

    F-250 7.3 PSD Lariat Super Cab LB wt 152K - 25 row Ford tranny cooler, A&E Air Intake system, TS-6 high performance Super Chip, Air Ride airbags, Bilstein shocks

    2017 Reflection 307 MKS 9,875 UVW / 12,995 GVWR / 1,605 Pin

    [SIGPIC][/SIGPIC]

  8. #8
    Rolling Along
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    Quote Originally Posted by Da Breeze View Post
    I must retract my prior statement.!
    I don't know if it's a different system in my unit, but I double-checked it yesterday and the HW light definitely stays ON when either gas or electric is engaged.
    This is designed to tell me the system is ON. All is operating normally.



    Sent from my SM-G930T using Tapatalk

    The op stated it was the dsi fault light not the hw light, different lights...

  9. #9
    Fireside Member
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    My DSI light stays on when in "electric mode". Water Heater does not seem to be heating. Any ideas? stuck camping without hot water.

  10. #10
    Rolling Along
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    Control board toast.

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