HS115 Troubleshooting

The HS115 is the automatic metering system recommended for use with Heatsavr, the liquid solar pool cover.

The system itself is simple, easy to install and very low maintenance. That being said, as with any equipment, there may be some minor troubleshoooting necessary throughout the extended life of the pump.

For a copy of the installation manual, which also includes solutions to all the troubleshooting questions listed here, you can click the following link:

Clock reset when the system was unplugged, or the LCD screen isn't displaying

Replace the backup battery inside the pump housing with a 3 Volt lithium BR2032 or CR2032.

Pump won't pull liquid from the supply container

1. Check to see that there is not an air leak somewhere along the chemical supply line. If air is entering the line the pump will not be able to pull liquid from the supply container.
  • Tighten both white nuts on the pump where the intake and output lines are attached
  • Tighten the cap / pick up assembly on the supply container
  • Make sure there is a tight fit where the pick up tube connects to the pick up assembly or cap. Use a zip tie if necessary.
  • Tighten the white nut on the injection fitting

2. If there is too much vacuum created, the pump will not be able to move the chemical. This is easily recognized when the squeeze tubing collapses. If this happens:
  • Check that the squeeze tube or pump cartridge is not jammed.
  • Check the chemical uptake lines for kinks.
  • Ensure that the chemical uptake line is not forming a seal against the side or bottom of the chemical drum
  • Using a less viscous chemical, pumping shorter distances, setting longer run times and ensuring that the squeeze tube is in good condition will help address the issue.

Pump will not run

  • Check that the squeeze tube and / or pump cartridge isn't jammed.
  • Check the chemical uptake line for kinks.
  • Verify that the chemical uptake line is not forming a seal against the side or bottom of the chemical drum
  • Press the Program button once to assure that you are in Run Mode. You must be in Run Mode for programmed events to occur. If you are in Run Mode the colon should blink once per second.
  • Push the Prime button and try to prime the pump. If the pump does prime, check that events are properly programmed.

Pump runs continuously or too slowly

If the pump runs without being activated, replace the main PCB.

If the pump runs too slowly,
  • Check that the squeeze tube or pump cartridge is not jammed.
  • Check the chemical uptake line for kinks.
  • Verify that the chemical uptake line is not forming a seal against the side or bottom of the chemical drum
  • If the liquid being pumped is very viscous the pump may labor in order to move it. Using a less viscous chemical, pumping shorter distances, setting longer run times, and assuring that the squeeze tube is in good condition will help address this issue.

Pump runs backwards

Check that the polarity of the wires from the main PCB to the motor is correct.

HS115 Installation Video

Replacement Parts Guide

1205820: Installation Kit
1203562: Flex Tube
PA38mm: Pickup Assembly - 140 oz Jug
PA28mm: Pickup Assembly - 35 oz Bottle
51466: Injection Fitting with Check Valve
1206740: Roller Assembly
RSC115: Rain / Sun Cover
WM4LTR: Wall Mount Bracket for 140 oz Jug
WM1LTR: Wall Mount Bracket for 35 oz Bottle

To find out where you can purchase replacement parts for your system, please contact Flexible Soluitons (800) 661-3560

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