Peace of Mind Generators Houston Metro Generator Support

Generator Error Code Guide

Find the code shown on your standby generator, review customer-safe checks, and know when to call for professional service.

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Safety first

If you smell gas, see smoke or fire, find a fuel or oil leak, or hear violent mechanical noise, keep away from the generator. Call 911 or the fuel utility when appropriate, then call a qualified generator service provider. Never work on energized wiring or bypass a safety device.

Code finder

What code is on the controller?

20 codes shown

Code 1063 VSCF Mismatch Electrical Alarm

What it means

The controller detected a mismatch in the variable-speed constant-frequency system. This code is associated with certain generator models and normally requires model-specific diagnosis.

Checks you can safely make

  1. Record the complete code and any words shown on the controller.
  2. Confirm whether utility power is stable and whether the alarm appeared before or after load transfer.
  3. If your owner’s manual provides a hard-reset procedure, perform it only once and only when utility power is available.
Service guidance

If the code returns, leave the generator off or in the condition directed by the owner’s manual and request certified service.

Request Service for This Code Call Now281-583-7233 Manufacturer reference
Code 1100 / 1101 Overcrank Starting Alarm

What it means

The engine cranked through its allowed start attempts but did not begin running. Common areas a technician evaluates include fuel supply, ignition, battery condition, and engine controls.

Checks you can safely make

  1. Check for an obvious external fuel interruption without opening or adjusting gas-system components.
  2. For natural gas, confirm the accessible shutoff handle has not been moved. For propane, confirm the tank is not empty.
  3. Record whether the engine cranks normally, cranks slowly, or does not crank.
  4. Follow the owner’s manual to clear the alarm once. Do not repeatedly force restart attempts.
Service guidance

If the generator does not start after one safe reset, or if it starts and runs roughly, schedule service.

Request Service for This Code Call Now281-583-7233 Manufacturer reference
Code 1200–1208 Overspeed Engine Alarm

What it means

The controller measured engine speed above its permitted range. A speed-control, ignition, sensing, or fuel-related condition may be involved.

Checks you can safely make

  1. Do not continue resetting an engine that races, surges, or sounds abnormally fast.
  2. Record what the generator was doing when the alarm occurred: exercising, starting, running, or accepting load.
  3. Keep people clear of the enclosure until the unit is stopped and stable.
Service guidance

Overspeed diagnosis should be completed by an authorized service technician.

Request Service for This Code Call Now281-583-7233 Manufacturer reference
Code 1300 Low Oil Pressure Engine Alarm

What it means

The controller did not detect adequate engine-oil pressure. The cause may be a low oil level, a leak, a sensor or wiring issue, or an internal lubrication problem.

Checks you can safely make

  1. Stop the generator and allow it to cool before checking anything near the engine.
  2. On level ground, check the oil level exactly as described in the model’s owner’s manual.
  3. Look for visible oil underneath or inside the enclosure without touching hot components.
  4. Add only the specified oil and do not overfill.
Service guidance

If the oil level is correct, a leak is visible, or the alarm returns, do not run the generator; request service.

Request Service for This Code Call Now281-583-7233 Manufacturer reference
Code 1400 / 1401 High Engine Temperature Engine Alarm

What it means

The controller detected engine temperature above the acceptable range. Restricted airflow, heavy loading, low oil, cooling-system issues, or a sensor fault may contribute.

Checks you can safely make

  1. Let the unit stop and cool fully before approaching the enclosure.
  2. From outside the unit, look for leaves, debris, vegetation, or stored items blocking intake or exhaust airflow.
  3. After cooling, check the oil level using the owner’s manual procedure.
  4. Do not open a hot radiator or coolant cap on liquid-cooled equipment.
Service guidance

Request service before continued operation if the code repeats, airflow is clear, or fluid leakage is present.

Request Service for This Code Call Now281-583-7233 Manufacturer reference
Code 1501 / 1505 / 1511 / 1515 RPM Sense Loss Starting Alarm

What it means

The controller did not receive the expected engine-speed signal during starting or operation. Battery condition, starting components, speed sensing, wiring, fuel, or engine operation may be involved.

Checks you can safely make

  1. Record the exact code because the last two digits help identify when the speed signal was lost.
  2. Note whether the engine cranked, started briefly, or stopped while already running.
  3. Check the controller’s battery-status screen if your model provides one.
  4. Clear the alarm only once using the owner’s manual. Avoid repeated cranking attempts.
Service guidance

If the generator does not return to normal operation after one reset, contact Peace of Mind Generators for diagnosis.

Request Service for This Code Call Now281-583-7233 Manufacturer reference
Code 1522 RPM Sensor / No Crank Starting Alarm

What it means

The controller expected the engine to crank but did not detect the required RPM signal. Battery condition, starter operation, wiring, controls, or the speed-sensing circuit may be involved.

Checks you can safely make

  1. Record whether the engine made any sound or movement when a start was attempted.
  2. Check the controller battery-status screen if that feature is available.
  3. Do not jump terminals, bypass the starter circuit, or continue repeated start attempts.
Service guidance

This alarm requires model-specific starting-system diagnosis by a qualified technician.

Request Service for This Code Call Now281-583-7233 Manufacturer reference
Code 1600–1603 Underspeed Engine Alarm

What it means

Engine speed fell below the controller’s required range. Excessive electrical load is one possibility, but fuel delivery, engine performance, or speed-control issues can also cause this alarm.

Checks you can safely make

  1. Turn off large household loads such as electric heat, pool equipment, dryers, or multiple air conditioners.
  2. Record whether the alarm appeared immediately after a large appliance started.
  3. Do not repeatedly reconnect the same heavy load to test the generator.
Service guidance

If reducing load does not prevent the alarm, request service and a review of load-management settings.

Request Service for This Code Call Now281-583-7233 Manufacturer reference
Code 1900 Undervoltage Electrical Alarm

What it means

Generator output voltage fell below the controller’s accepted range. Heavy load, engine-speed problems, wiring, voltage regulation, or alternator issues may be involved.

Checks you can safely make

  1. Turn off large loads and note whether a motor or air conditioner was starting when the alarm occurred.
  2. Do not remove covers, touch wiring, or attempt voltage measurements unless you are properly qualified.
  3. Record any flickering, dimming, or unusual sounds that occurred before shutdown.
Service guidance

Undervoltage can damage connected equipment. Have the generator inspected before placing it back under normal load.

Request Service for This Code Call Now281-583-7233 Manufacturer reference
Code 2098 / 2099 Wiring Error Electrical Alarm

What it means

The controller detected a transfer or sensing-wiring condition that does not match expected operation. This involves circuits that should be evaluated by a qualified technician.

Checks you can safely make

  1. Record whether utility power is on or off and whether the transfer switch moved.
  2. Do not open the transfer switch, generator electrical compartment, or service equipment.
  3. Keep the generator in the safe state directed by its owner’s manual.
Service guidance

Contact a qualified generator service provider. This is not a customer wiring repair.

Request Service for This Code Call Now281-583-7233 Manufacturer reference
Code 2100 Overload / Remove Load Load / Capacity Alarm

What it means

The generator was asked to supply more electrical load than the controller or alternator permits. A large startup load or insufficient load management can trigger this alarm.

Checks you can safely make

  1. Turn off high-demand appliances before attempting one reset according to the owner’s manual.
  2. Prioritize essential lighting, refrigeration, communications, and medical loads.
  3. Note which appliance started immediately before the alarm.
  4. Do not increase breaker sizes or bypass load-management devices.
Service guidance

If the alarm returns, request a load review and inspection of the load-management system.

Request Service for This Code Call Now281-583-7233 Manufacturer reference
Code 2299 Undervoltage Overload Load / Capacity Alarm

What it means

The controller detected low generator voltage together with an overload condition. Connected load, engine performance, voltage regulation, or alternator output may require evaluation.

Checks you can safely make

  1. Turn off large household loads and do not reconnect them during troubleshooting.
  2. Record what was operating at the time and whether the engine sounded as though it slowed down.
  3. Do not test energized components or alter generator breakers.
Service guidance

Schedule service before returning the generator to full load.

Request Service for This Code Call Now281-583-7233 Manufacturer reference
Code 2400 Fuse Problem Electrical Alarm

What it means

The controller indicates that the 7.5-amp control fuse is missing or open. A failed fuse can be a symptom of another electrical problem.

Checks you can safely make

  1. Place the controller in OFF and follow the owner’s manual before inspecting any user-serviceable fuse.
  2. If the manual permits replacement, use only the exact specified fuse type and rating.
  3. Do not substitute a larger fuse and do not bypass the fuse.
Service guidance

If a correctly rated replacement fuse opens again, stop and request service; repeated fuse failure indicates a fault.

Request Service for This Code Call Now281-583-7233 Manufacturer reference
Code 2750 Low Battery Battery / Charger Warning

What it means

Battery voltage or starting capacity is below the expected level. Battery age, loose or corroded connections, charging problems, or cold conditions may contribute.

Checks you can safely make

  1. Note the battery age if known and whether the engine cranks slowly.
  2. From a safe position with the unit off, look for obvious terminal corrosion or a swollen or leaking battery.
  3. Do not jump-start the generator or handle a damaged battery.
Service guidance

Arrange battery and charger testing, especially before storm season or if the generator may be needed soon.

Request Service for This Code Call Now281-583-7233 Manufacturer reference
Code 2770 Battery Charger Warning Battery / Charger Warning

What it means

The controller detected a problem with battery-charging performance. The generator may still be available temporarily, but the battery can discharge and prevent a future start.

Checks you can safely make

  1. Confirm that normal utility power is available at the property.
  2. Check only clearly labeled, customer-accessible breakers described in the owner’s manual.
  3. Do not open electrical panels or test charger wiring.
Service guidance

Schedule charger and battery diagnosis promptly so the generator remains ready to start.

Request Service for This Code Call Now281-583-7233 Manufacturer reference
Code 2780 Charger Missing AC Battery / Charger Warning

What it means

The battery charger is not sensing its normal AC supply. A breaker, wiring, utility-supply, or charger issue may be responsible.

Checks you can safely make

  1. Confirm utility power is present at the home.
  2. Check only the labeled customer-accessible generator or charger breaker if the owner’s manual directs you to do so.
  3. Do not open the transfer switch or electrical compartments.
Service guidance

If utility power is present and the warning remains, request service before the battery becomes discharged.

Request Service for This Code Call Now281-583-7233 Manufacturer reference
Code 2800 Auxiliary Shutdown Safety Circuit Status

What it means

An auxiliary shutdown input is active. Depending on the installation, an exterior shutdown switch, emergency-stop device, or related circuit may have been activated.

Checks you can safely make

  1. Visually inspect accessible emergency-stop or auxiliary-shutdown controls for accidental activation or physical damage.
  2. Do not bypass, jumper, tape, or disable a shutdown device.
  3. If a switch was intentionally activated because of gas odor, smoke, fire, or unsafe operation, do not reset it.
Service guidance

If there is no obvious safe explanation, or the code returns after the device is restored normally, contact service.

Request Service for This Code Call Now281-583-7233 Manufacturer reference
Code 5215 Cylinder Head Temperature Warning New-Gen Warning

What it means

A New-Gen controller recorded cylinder-head temperature outside its expected operating condition. Extended run time, airflow restriction, loading, oil condition, sensing, or engine performance may be involved.

Checks you can safely make

  1. Record the ECODE and how many hours the generator had been operating.
  2. After a controlled shutdown and full cool-down, inspect the outside airflow areas for debris or obstruction.
  3. Check the engine-oil level using the exact New-Gen owner’s manual procedure.
  4. Do not touch engine components or open a hot enclosure.
Service guidance

If the warning repeats, becomes an alarm, or the generator runs roughly, request service before another extended run.

Request Service for This Code Call Now281-583-7233 Manufacturer reference
Code NO DISPLAY Blank Controller Screen Electrical Status

What it means

A blank controller can result from a discharged battery, missing control power, an open fuse, a connection problem, surge damage, or a failed controller. The exact cause cannot be confirmed from the screen alone.

Checks you can safely make

  1. Confirm whether the generator has any status lights, sounds, or other signs of power.
  2. Look for an obviously damaged, swollen, or leaking battery without touching it.
  3. Follow the owner’s manual before inspecting a customer-serviceable fuse; never install a larger fuse.
  4. Do not open electrical compartments or attempt energized measurements.
Service guidance

A controller with no display should be inspected promptly, especially before or during severe weather.

Request Service for This Code Call Now281-583-7233 Manufacturer reference
Code ACCESS / ACTIVATION Access or Activation Code Needed Other Status

What it means

The controller is waiting for commissioning or access information. Activation requirements vary by controller generation, generator model, and installation status.

Checks you can safely make

  1. Photograph the controller message and the generator data label if it is safely accessible.
  2. Have the generator serial number, model number, installation address, and owner contact information available.
  3. Do not guess repeated access codes or change installer settings.
Service guidance

Contact Peace of Mind Generators so the installation and activation status can be verified.

Request Service for This Code Call Now281-583-7233 Manufacturer reference

Running continuously during an extended outage?

Plan a controlled shutdown at least once every 24 hours. Current manufacturer guidance recommends leaving the generator off for at least 30 minutes while checking the oil level and making a visual inspection. Follow the shutdown, cool-down, inspection, and restart sequence in the owner’s manual for your exact model.

Read the manufacturer’s extended-outage guidance
Professional support

The code tells us where to begin—not always what failed.

Our team can evaluate the controller history, battery and charging system, fuel supply, engine operation, output voltage, transfer equipment, and connected load.

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Peace of Mind Generators is your local Generac® Authorized Dealer proudly serving Houston and surrounding areas with expert sales, installation, and maintenance.

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