Hayward Pool Heater H5 Code Causes And Corrective Actions

How To Put Hayward Heater In bO Mode? Here's how you get your heater in Bypass Operation(bo) mode. You need to put the heater in STANDBY Mode to get the bO code on the heater display. Press the mode button once to get the heater in STANDBY Mode. First, press and hold on to the Down key. Then, press and hold down the MODE key as well.. heater in 'STANDY'. Press and hold the minus button and 'MENU I ON' button for 3 seconds. 'bo' should appear on the display when the heater has successfully entered bypass mode. Once in bypass, press the 'MENU I ON ' button until 'POOL' or 'SPA' is illuminated. Step 2 Step 3 Step 4 Step 1

Encountering a 'bo code' on your Hayward pool heater can throw a wrench in your swim plans. It's a common issue that signals a specific fault in your heater's operation. Don't worry, though; you're about to get the lowdown on what this code means and how you can troubleshoot it effectively. Understanding the 'bo code' is crucial for maintaining your pool's perfect temperature. Whether you're a DI. Step 4: Disconnect Blower connector from the Control Module.Set the heater to the Pool or Spa setting. To generate a call for heat, lower the set point temperature. Step 5: Measure 120VAC along pins 1 and 2 during the pre-purge period. The control module relay is malfunctioning if 120VAC is not provided.