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  1. Fix Error Code SFS on Pentair MasterTemp 400 – Expert Guide

    Pentair mastertemp 400 service heater light how to fix, Solid, i have! Backwashed and just had filter panels replaced a

  2. Mastertemp 400 Heater Reset Button: Troubleshooting Guide

    Need to find the Mastertemp 400 reset button. Just had my pool resurfaced, so they must have turned off equipment, etc.

  3. TempMaster 400 Error Code 128 R14? Troubleshooting Help

    Discover more answers Error code 128 and r14 on my Pentair 400 spa heater, 4 years old, online

  4. E01 Error Message? Troubleshooting Guide for Heater Issues

    To resolve this issue, you will need to replace the water temperature sensor on your heater. I've included a link for the replacement below. Swimables Thermistor Temperature Sensor Compatible with …

  5. Pentair MasterTemp Spa SF1 Error Code: Troubleshooting Guide

    SF 1 error code, turns on but no heat Pentair mastertemp spa heater. Mastertemp 400 pentair

  6. Pentair Mastertemp 400 Won't Start? Troubleshooting Guide

    Pentair Mastertemp 400 Won't Fire Up: Flow Rate Issue? Mastertemp 400 often faces ignition failure and service heater light errors during startup. If your Mastertemp 400 won’t fire but the fan runs, …

  7. Expert Q&A on Pool Controllers: Jandy vs Pentair, MasterTemp Manual …

    The Pentair MasterTemp 400 NG’s PC board offers a 3-wire option enabling separate pool and spa heat commands. To enable full functionality, rewire the heater control using the 3-wire setup per Pentair’s …

  8. Pentair MasterTemp 400 Troubleshooting: AD0 & SF1 Codes FAQ

    Struggling with your Pentair Master Temp 400 not turning on via ScreenLogic? Discover expert answers to AD0 and SF1 code issues and more in our Q&A!

  9. TempMaster 400 Display Screen Replacement: Expert Q&A Guide

    Is your TempMaster 400 display screen coming off in the heat? Discover expert answers and solutions to replace just that part on our Q&A page!

  10. I have a pentair mastertemp 400 with a error code e01 what do i do

    The customer and expert messages presented herein may have been altered or modified to enhance readability and safeguard the privacy of individuals. These modifications do not change the intent or …