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    Hayward H250FDN missing error codes

    Thank you for your suggestion. It might just be a bad keypad. Will see tomorrow. The Hayward service guy is coming. Will let you know of the outcome.
  2. E

    Hayward H250FDN missing error codes

    I am in great need of some help. Got back from vacation and my heater stopped working. What I noticed: can not change mode anymore (it is stuck on "STANDBY"). The display shows b0, which is fine since it is in bypass - driven by my ProLogic panel. What I tried is to disconnect from panel and...