View All blogs

Germansville Heat Pump Reset Tips for Better Cooling

Estimated Read Time: 9 minutes

When your home will not cool and you keep wondering how to reset a heat pump, start here. A safe reset can clear minor faults and restore cooling without a service call. Below you will find a simple step by step reset process, why it works, what to check first, and how to avoid repeat trips to the breaker. If you need help today in Reading or anywhere in Berks County, our licensed team can be there the same day.

Why a Heat Pump Reset Works

Heat pumps have built in protections. When they detect issues like voltage dips, short cycling, iced coils, or brief refrigerant sensor errors, they can enter a soft lockout. A reset removes the temporary fault memory and lets the system try a normal start. If the issue was a one off event, you get cooling back fast.

A proper reset will not fix a broken part. It only restores normal operation after minor events. If your system keeps tripping or will not start after a reset, it is time for diagnosis by a licensed technician in Reading, PA.

Tip: Give the system a full power down period. Rushing the sequence can leave control boards latched in fault mode.

Safety First Before You Reset

Work safely so you do not create new problems.

  • Turn off the thermostat so the system is not calling for cooling.
  • Know where the indoor air handler switch is. It looks like a light switch near the unit.
  • Locate the outdoor disconnect near the heat pump in a small metal box.
  • Find the dedicated breaker in your main electrical panel. It is often labeled “Heat Pump” or shows the brand name.
  • Keep the area dry and your hands clear of moving parts.

If you smell burning, see scorched wires, or the breaker trips again immediately, stop and call a professional. Essig is fully licensed in Pennsylvania under License # PA008731 and can help same day.

The Correct Step by Step Reset Procedure

Follow this sequence to give control boards time to clear and reinitialize.

  1. Set the thermostat to Off. If it is a smart stat, place it in Off mode, not just Auto.
  2. At the indoor air handler, switch the service switch to Off.
  3. At the outdoor unit, pull the disconnect or switch it Off.
  4. At the main panel, turn the heat pump breaker Off.
  5. Wait 5 minutes. This allows capacitors to discharge and the defrost board to fully power down.
  6. Turn the breaker On.
  7. Reinsert or switch On the outdoor disconnect.
  8. Turn the indoor air handler switch On.
  9. Set the thermostat to Cool, then set the temperature at least 3 degrees below room temperature.
  10. Wait up to 10 minutes for cooling to stabilize. Many systems have a built in delay to protect the compressor.

If the system starts and cools steadily, you are done. If it short cycles or blows warm air, keep reading.

What To Check If Cooling Does Not Return

A clean reset followed by poor cooling often points to a simple maintenance issue.

  • Air filter: Replace clogged filters. Low airflow will cause coil icing and high head pressure.
  • Outdoor coil: Rinse gently from the inside out with a hose. Do not use high pressure.
  • Thermostat settings: Confirm Cool, Fan Auto, and correct schedule.
  • Vents and dampers: Open supply registers and ensure return grills are not blocked by furniture.
  • Mini split indoor head: Clean washable screens and confirm the flap opens when cooling starts.

Callout from a local visit: Homeowners in Wyomissing often find a blocked return from a hallway runner or stand fan placed too close to the grill. Clear space around returns for steady airflow.

Breaker Trips After Reset? Do This Next

A breaker that trips again is a sign to stop and diagnose.

  • Check for water in the air handler drain pan. A float switch will shut cooling down.
  • Listen for a hard start or loud humming at the outdoor unit. A failing capacitor or stuck fan can spike amps.
  • Inspect the outdoor unit fan. If it does not spin up, cut power and call for service.
  • Note error codes on the thermostat or indoor display. Photograph the screen for your technician.

Do not keep flipping the breaker. Repeat trips can damage the compressor. Essig can test capacitors, contactors, and motors on the spot and fix most heat pump problems during the first visit.

Resetting a Mini Split vs. a Conventional Heat Pump

Many Reading homes use mini splits for sunrooms or converted attics. The reset idea is the same, but steps change slightly.

  • Mini split indoor head: Turn the system Off with the remote, then cut power at the outdoor disconnect or dedicated breaker. Wait 5 minutes, then restore power and restart in Cool.
  • Error lights: Mini split heads flash codes. Record the pattern or take a video.
  • Filters: Mini split screens clog faster in rooms with pets. Clean monthly during summer.

Conventional split systems use a central air handler. You will find a service switch near the unit. Some air handlers also have a door switch that must be closed firmly to run.

Thermostat Resets and When They Help

Sometimes the thermostat is the problem, not the heat pump.

  • Battery stats: Replace batteries yearly. Low batteries cause erratic cooling calls.
  • Wi Fi stats: Power cycle the stat by removing from its base for 1 minute, then reseat.
  • Factory reset: Only if you have your Wi Fi and equipment configuration handy. Re enter the system type and stage settings.

If you recently replaced a thermostat and cooling is weak, the O B reversing valve setting may be wrong. A pro can correct the configuration in minutes.

Defrost Mode, Ice, and Summer Performance

In cooling season you should not see heavy ice on the outdoor coil. If you do, airflow or refrigerant charge may be off.

  • Shut the system Off and let ice melt fully before restarting.
  • Replace the filter and confirm all returns are open.
  • Schedule a refrigerant leak check if icing returns. A small leak can reduce capacity and efficiency.

In winter, steam during defrost is normal. Loud metallic noises are also common during valve shift. Persistent grinding is not normal and needs attention.

Common Reasons a Reset Is Needed

A reset often follows a short term event. Here are frequent triggers we see across Berks County homes.

  1. Power flicker or outage during a storm.
  2. Thermostat battery drop during a cooling call.
  3. Dirty filter or matted pet hair on the return grill.
  4. Grass clippings clogging the outdoor coil after mowing.
  5. Frozen indoor coil due to low airflow or a low refrigerant charge.

Fix the root cause so you do not need frequent resets.

When To Call a Pro Instead of Resetting Again

Call for service if any of these happen after a careful reset.

  • Breaker trips again or you hear a loud electrical hum.
  • Outdoor fan will not start or starts then stops.
  • You see oil stains on refrigerant lines or notice bubbling at a flare connection.
  • Ice builds up quickly on the outdoor coil in summer.
  • You smell burning or see scorch marks.

Essig services and repairs most brands of equipment and explains all options before work begins, so you can make informed decisions. Same day appointments are available across Reading, Allentown, Pottstown, and nearby towns.

Prevent Breaker Trips With Simple Maintenance

Good airflow and clean coils help your heat pump cool better with less effort.

  • Replace filters every 30 to 60 days in summer.
  • Keep 2 feet of clearance around the outdoor unit. Trim shrubs and remove mulch buildup.
  • Rinse the outdoor coil gently each spring.
  • Level the outdoor pad if it sinks and tilts the unit.
  • Have a Heat Pump Preventative Check each season to catch weak capacitors or loose connections.

Our preventative check is popular before heat waves. It includes a visual evaluation of your HVAC system, then personalized solutions on what to do next.

Financing, Rebates, and Local Insight

Upgrading from an old heat pump often reduces energy costs. Many homeowners choose high efficiency models or a dual fuel setup that pairs with a gas furnace for very cold snaps. We can match systems that qualify for federal tax credits and available utility rebates. Ask about payments as low as $132 per month for select installations with approved credit.

Local insight: Older row homes in Reading with small returns benefit from high MERV filters only if airflow stays strong. A too restrictive filter can cause coil freeze. Use the filter type recommended by your technician for your return size and blower speed.

What To Expect When You Schedule With Essig

  • We arrive the same day for most repairs in Berks County.
  • Your technician explains all options before starting any work.
  • We perform a visual evaluation and present personalized solutions on what to do next.
  • Most common heat pump issues are fixed on the spot.

Essig has been family operated for 86 years and stands behind service with clear pricing and strong guarantees.

Quick Troubleshooting Reference

Use this short list after your reset if cooling is still weak.

  1. Filter replaced and all returns open.
  2. Outdoor coil rinsed and clear of debris.
  3. Thermostat in Cool, Fan Auto, set at least 3 degrees below room temperature.
  4. Condensate drain clear and float switch down.
  5. No odd noises and breaker holds.

If anything fails this checklist, schedule a Heat Pump Preventative Check for a licensed diagnosis and fast repair.

Special Offers for Heat Pump Owners

  • $79 Heat Pump Preventative Check Dispatch Service Charge + Same Day Service. Call for conditions and restrictions. Present coupon at time of service. Not available to combine with other offers.
  • $79 Heat Pump Repair Dispatch Service Charge + Same Day Service. Call for conditions and restrictions. Present coupon at time of service. Not available to combine with other offers.
  • Heat Pump Install for as low as $132 per month with Free Proposal. Call for conditions and restrictions. Present coupon at time of service. Not available to combine with other offers.

Save on service today. Call (610) 557-3302 or schedule at makeitessig.com. Mention the $79 dispatch offer when you book.

What Homeowners Are Saying

"Tyler and Weston did an exceptional job installing my heat pump system. Very professional. Left the house very clean. Highly recommend them. Also thanks to Justin for matching up my new system and setup."
–Essig Customer, Reading, PA

"We decided on a dual fuel heatpump system that should be more efficient and prolong the life of our current gas furnace. He also helped us with financing and found a system that should give us a tax credit. Jared and Tyler installed the new system. Excellent service."
–Essig Customer, Berks County

"We have used Essig Plumbing and Heating for almost 20 years. Most recently they installed a new heat pump and air handler. As always, extremely happy with their service."
–Essig Customer, Wyomissing, PA

Frequently Asked Questions

How often should I reset my heat pump?

You should not need frequent resets. Use a reset after a power flicker or minor fault. If you need to reset more than once a season, schedule a diagnostic to find the root cause.

Will resetting fix a refrigerant leak?

No. A reset clears temporary faults only. Low refrigerant requires leak detection, repair, and a proper charge by a licensed technician. Running with a leak can damage the compressor.

How long should I wait during the reset?

Wait at least 5 minutes with power off. This lets control boards discharge and clear memory. After restoring power, allow up to 10 minutes for a normal start.

Can a dirty filter cause my heat pump to stop cooling?

Yes. Low airflow can ice the coil, trip safety limits, and reduce capacity. Replace filters every 30 to 60 days during cooling season for best performance.

When should I call a professional instead of resetting again?

If the breaker trips again, you hear loud humming, the outdoor fan will not start, or you smell burning, stop and call a licensed pro. Same day help is available in Berks County.

The Bottom Line

Now you know how to reset a heat pump AC unit and the checks that restore cooling fast. If cooling does not return, protect your system and call a licensed technician. For trusted service in Reading, PA and across Berks County, Essig delivers same day repairs and clear options before work begins.

Call or Schedule Now

Call (610) 557-3302 or book at makeitessig.com. Ask for the $79 Heat Pump Preventative Check or $79 Repair Dispatch Service Charge. Considering a replacement? Ask about installs from $132 per month and a Free Proposal.

Call (610) 557-3302 or schedule at makeitessig.com for same day heat pump service. Mention the $79 dispatch offer to save on your visit.

About Essig Plumbing & Heating

Trusted in Berks County since 1938, Essig Plumbing & Heating is family operated and fully licensed in Pennsylvania (License # PA008731). Our certified HVAC technicians deliver same day service, upfront pricing, and clear options before any work starts. We were honored with Berks County People’s Choice Awards in 2023 and 2024. From heat pump installs to emergency repairs, we service most brands and back our work with strong guarantees. Schedule online or call for fast, local help.

Sources

Share this article

© 2026 by Peakzi. All rights reserved.

v0.10.10