![]() We hope these charts help solve your Hayward pool heater problems. Use jumper wire to jump across wires on the pressure switch Check and repair or replace wiring and connectionsġ. High water flow (>125 gpm) into the heater.ģ. Work through the list below if your Hayward pool heater is on the fritz. Unlike the error codes that show up on the digital screen, these problems don’t show up as an error notification. See below for more detailĪn error was detected in the ignition control circuit board.īelow is a list of common issues that can arise with your Hayward pool heater. Automatic restart is 2 minutes after the error condition is corrected and the limit string closes. If the limit string opens the heater shuts down and goes into lockout. ![]() The error code will be cleared upon a valid data exchange between boards After communication is established, if it is lost for 30 s, the error will be displayed. If communication between the ignition board and the display board is not established within 3 s of power-up an error will be displayed. If the control exceeds the maximum number of ignition retries or recycles the heater will shut down and go into lockout. The error code will be cleared when the condition is corrected. If one of the keypad buttons is closed (or pressed) for more than 30 s the error code will be displayed but the control will continue to function. Automatic restart is 2 minutes after the error is corrected. Automatic restart 2 min after error is corrected.Īn excessive temperature difference between the two thermistors (5 ☏ or more) or an “out of bounds” condition on both sensors (less than 10☏ or greater than 180☏) will result in the error code. If the control is not in lockout and senses that the igniter circuit is open when the blower is running the control will turn off the blower and go into lockout. Automatic reset is immediate when the switch opens If the blower prover switch is closed before blower start-up the control will not start the blower. The post-purge cycle will be completed once the blower prover switch closes.īlower vacuum switch closed when expected open error If the blower prover switch opens during the postpurge cycle (heater is not firing) the control will display the error code. Automatic reset is immediate after error is corrected.īlower vacuum switch open during post-purge error If the switch does not close after the blower starts the control will go into lockout with the blower running. If the blower prover switch opens unexpectedly during operation the control will shut down and attempt to re-light. Automatic reset is immediate after the switch closesīlower vacuum switch open when expected closed error If the blower prover switch does not close after the blower starts the control will stop the ignition trial go into lockout. Reset is immediate after error is corrected. This code will display if 120V polarity is reversed, low voltage is detected, or if the ground path is not sufficient. When corrected, control will run blower for 5 s then automatically restart after 2 minutes. The blower will run until error condition is corrected. If flame is sensed with the gas valve off the control will go into lockout. If control input data is corrupts, the heater will shut down and lockout. If error occurs 10 times during a call for heat the control will go into lockout. If valve is closed but flame is sensed the blower will run for 5 seconds, then start a new ignition sequence. Automatic restart 2 minutes after error is corrected. Blower will operate until error condition is corrected. If valve is open when it should be closed the heater will shut down and go into lockout. ![]() Automatic reset is immediate once the gas valve relay check results are acceptable. Error codes show up on the digital screen of the H-Series H150, H200, H250, H300, H350, and H400 gas models. Work through the chart below if your heater displays the following error codes. Big difference, but other than that, they operate pretty much the same! Troubleshooting Hayward Gas Heater Error Codesīelow is the troubleshooting guide for Hayward pool heater error codes. Gas fired pool heaters are similar to a home gas-fired furnace, with the main difference being that a pool heater heats water and a home furnace heats air. ![]() The components of a Hayward pool heater are also similar to gas heaters made by other manufacturers. When it comes to troubleshooting Hayward pool heater error codes, there’s not too much difference between the problem solving process for other gas-fired heaters, made by Jandy, Pentair or Raypak. ![]()
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