Free emergency standby generator monthly test procedure

• The MapTrack emergency standby generator monthly test procedure contains 17 checks across 7 sections. Sections covered: Start-up, Engine Monitoring, Transfer Switch, Load and Performance, Controller and Alarms, Exhaust and Ancillaries, Records.
• NFPA 110 clause 8.4.2 sets the monthly 30-minute exercise only where NFPA 110 is adopted; in Australia the manufacturer's schedule applies under regulation 213.
• Diesel sets that cannot reach the required monthly load get an annual supplemental load test at 50 and 75 percent (NFPA 110 clause 8.4.2.4).
• Record start time, oil pressure, coolant temperature and battery voltage at set points so trends show before a fail-to-start.
• Confirm the transfer switch retransfers to mains before signing off the test.

Learn more about maintenance and work orders in MapTrack.

• Reliability when it matters: monthly testing confirms the generator will start and transfer power automatically during a real mains failure, protecting life safety systems (fire pumps, emergency lighting, lifts).
• Early fault detection: checking oil pressure, coolant temperature, battery voltage and controller alarms each month catches developing issues before they cause a fail-to-start event.
• Prevents wet stacking: running the generator for 30 minutes at operating temperature prevents unburnt fuel from accumulating in the exhaust system, which degrades performance over time.
• Test records: documented monthly test records show the exercise NFPA 110 calls for (at least 30 minutes under load) was done.
• Insurance protection: insurers may require evidence of monthly generator testing as a condition of coverage for business interruption or essential services.
• Reduced emergency costs: a monthly test costs nothing beyond labour and fuel. A generator failure during a real emergency can cost tens of thousands in damages, liability and lost revenue.

• Start-up: start generator on automatic transfer signal (simulate mains failure, verify auto-start within 10 seconds), run at rated speed for minimum 30 minutes.
• Engine monitoring: check oil pressure, coolant temperature, battery voltage, record fuel tank level.
• Transfer switch: test automatic transfer switch (auto transfer and retransfer), test manual transfer switch.
• Load and performance: check load bank test results if exercised under load this month.
• Controller and alarms: verify all controller alarms (common fault, mains failure, fail to start, high temp, low oil).
• Exhaust and ancillaries: check exhaust system, block heater, battery charger, fuel day tank and transfer pump.
• Records: record hour meter reading, generator room temperature, sign test log.

1. Notify building management that a generator test is about to commence. Check that the generator room is clear and safe to enter.

   Advise building management and security that a generator test will cause a brief power transfer. Confirm the generator room is free of obstructions, stored materials and any flammable substances near the exhaust outlet.

2. Record the equipment details (make, model, rated output, voltage) and test date at the top of the form. Note the current hour meter reading.

   Capture the generator make, model, serial number, rated output in kW, voltage configuration and the current hour meter reading. Compare the hour meter against the previous test to confirm the expected runtime has elapsed.

3. Check that the block heater is operating (the engine should be warm). Check the battery charger float voltage. Record the fuel tank level and top up if not full.

   The block heater should maintain the engine coolant at approximately 30 to 40 degrees Celsius. Verify the battery charger is in float mode at the correct voltage (typically 27.2V for a 24V system). Record the fuel level as a percentage and arrange topping up if below 90 percent.

4. Simulate a mains failure to trigger the automatic transfer signal. Verify the generator starts automatically within 10 seconds and the transfer switch transfers load to the generator.

   Open the mains supply breaker or use the controller test function to simulate a mains failure. Start a timer and verify the generator cranks, starts and reaches rated speed within 10 seconds. Confirm the automatic transfer switch transfers building load to the generator.

5. Allow the generator to run at rated speed for a minimum of 30 minutes. During the run, check engine oil pressure, coolant temperature and battery voltage. Verify all readings are within specification.

   Monitor oil pressure (typically 250 to 550 kPa at rated speed), coolant temperature (should stabilise between 70 and 90 degrees Celsius) and battery charge voltage. Record readings at the 10-minute and 30-minute marks. Listen for unusual noises or vibrations throughout the run.

6. Verify all generator controller alarms are functioning: common fault, mains failure, fail to start, high temperature and low oil pressure. Check the exhaust system for leaks and ensure the rain cap is operating.

   Review the alarm history on the controller to confirm each alarm type is configured and enabled. Visually inspect the exhaust system from the manifold to the outlet for soot deposits indicating leaks. Confirm the rain cap opens when the engine starts and closes on shutdown.

7. Test the manual transfer switch operation. Restore mains power and verify the automatic transfer switch retransfers load back to mains.

   Exercise the manual transfer switch by transferring load manually and then returning to automatic mode. Close the mains supply breaker and verify the automatic transfer switch retransfers building load back to mains within the programmed delay, typically 15 to 30 seconds.

8. Record the hour meter reading, generator room temperature and any defects or abnormalities in the notes section. Set the next monthly test date and sign the test log.

   Record the closing hour meter reading to confirm the test duration. Note the generator room ambient temperature. Document any faults, unusual observations or follow-up actions required. Set the next monthly test date and ensure the test log is signed by the technician and building manager.

Practical answers about the form, record keeping and using MapTrack.

This form is a starting point. Check the current requirements that apply to your equipment, work and location. The form alone does not establish compliance.

Each source was read at its publisher and the page checked on 26 October 2026. The publisher's current text is the authority.

• Model WHS Regulations (Safe Work Australia)

MapTrack publishes this template. The linked authorities publish their own guidance; they haven't endorsed this form.

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