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Whole Home Generator Error Codes

If your home generator isn’t working quite right, it might not be doing its job as it should. Give us a call at Quality Home Products of Texas today! We’ll help you clear your error codes and get your generator running smoothly.

Code 1100 - Overcrank

If your home standby is displaying this error code, resetting the controller and restarting your unit may do the trick.

If your unit does not start after two automatic attempts, there is an issue. Make sure the gas to your generator is turned on. If the handle is lined up with the pipe, your gas is on. If your handle is lined across the pipe, this indicates that the gas is turned off. If the gas is on and your unit is still not working or is running rough, contact us.

Code 1200/1205 - Overspeed
This code usually displays when the controller detects high RPM. This can be caused by defective ignition coils. Please contact us to diagnose and service your unit.
Code 1300 - Low Oil Pressure

When your home standby is displaying this error, the first thing to check is your oil level.

If oil is needed, add oil per recommendations in your owner’s manual. Be careful not to overfill the engine. If the oil level is good and your unit is still not working, reach out to us to schedule service.

Code 1501/1505/1511/1515 - RPM Sense Loss

RPM sense loss can be caused by a lot of separate issues, RPM sense loss is the unit controller sensing that the engine is not operating. Most common causes are weak battery or faulty starter.

First attempt to clear the code/alarm for immediate resolutions. Turn the generator controller to the OFF position; Then press the ENTER button twice. Once controller reads SWITCHED TO OFF you have successfully cleared the alarm. Place the controller back to AUTO, If not utility power is present and your unit should attempt to restart and restore power to your home. Any time this alarm is present, please call our team at (713) 766-4651.

If the unit does not start in AUTO when there is utility loss, clear the alarm by pressing the ENTER button twice, then press AUTO. Then, using the control panel, check the battery. To do this, navigate to the BATTERY MENU option from the MAIN MENU. If it states ‘check battery’, try replacing the battery. If it states that your battery is ‘good’ when being checked, contact our team.

If the unit does not start in AUTO when there is utility loss, clear the alarm by pressing the ENTER button twice, then press AUTO. Then, using the control panel, check the battery. To do this, navigate to the BATTERY MENU option from the MAIN MENU. If it states ‘check battery,’ try replacing the battery. If it states that your battery is ‘good’ when being checked, contact us.

Code 1600 - Underspeed

This code is caused by the RPMS of the unit dropping below the allowed threshold, this is commonly caused due to the unit being overloaded by the homes current electrical demand. Please call us for service assistance.

Code 1900 - Undervoltage

A sudden drop in voltage can set off this error code. For this code, a service call is needed.

Code 1902

The error code 1902 on a Kohler generator can be triggered by a sudden drop in the generator’s output voltage. When this code appears, it is recommended to contact us for assistance.

Here are some steps to clear an alarm code on a Kohler home standby generator:

  1. Locate the external auxiliary shutdown switch on the back of the generator and flip it up into the closed position.
  2. Open the generator lid by unlocking each side.
  3. If the generator is 13 kilowatts or larger, disable the internal auxiliary shutdown switch inside the generator near the control panel.
  4. Press Off then Enter on the control panel to clear the error code.
  5. Run the generator in manual mode to see if the error reappears. If it does, contact an authorized Kohler service dealer.
Code 2100 - Overload

Your unit shows this code when your controller senses an overload condition. Load shedding should be installed to prevent this from happening again.

First attempt to clear the code/alarm for immediate resolutions. Turn the generator controller to the OFF position, Then press the ENTER button twice. Once controller reads SWITCHED TO OFF you have successfully cleared the alarm. Place the controller back to AUTO and turn off any large appliances that may be causing your OVERLOAD condition.