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Quietsource 25kw Staring problem In auto mode or manual

Quietsource 25kw Staring problem. In auto mode timer tries to start for weekly start up or manual mode when start button is depressed the engine starter engages for aprox 2 sec and stops and then low battery light comes on. Battery is fully charged, passed load test and 13.49 at battery so the charger must be working If start button is connected to starter solenoid or genset starter contactor engine will crank for ever.swaped RL1 and RL2 made no differance Has been starting for 3 years in auto for either utility loss or weekly exercise cycle

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Sounds like the you have no spark since when you force the engine to crank it never fires. The low battery light come on because the 2 sec of cranking lets the voltage get lower than the alarm threshold.
I'd connect a spark tester to either of the plugs and try a manual start, if you see sparks replace the plugs, if you get no sparks then you've got to troubleshoot the ignition modules and the kill wire that comes from them.


Posted on Mar 01, 2009

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What is the proper proceidure to set exercise timer on a briggs generator model # 01938 and what year was this model manufactured? thank you

This link will take you to their site where you can download their manual.

Setting Exercise Timer
The Home Standby Generator is equipped with an exercise
timer that will start and exercise the system once every
seven days. During this exercise period, the unit runs for
approximately 20 minutes and then shuts down. Electrical
load transfer DOES NOT occur during the exercise cycle
(unless an utility power outage occurs).
A switch on the control panel is labeled “Set Exercise”
(depicted on page 10).The specific day and the specific time
of day this switch is pressed is programmed into the
control board memory.This date and time is then used to
automatically initiate the system exercise cycle.
To perform the Set Exercise procedure:
1. Choose the day and time you want your Home
Standby Generator to exercise.
2. On that day and time, set the AUTO/OFF/MANUAL
switch to OFF.
3. Press and hold down the “Set Exercise” switch for two
4. Set the AUTO/OFF/MANUAL switch to AUTO.“Set
Exercise” is complete.
For example, if you press the “Set Exercise” switch on
Sunday morning at 10:00 AM, the unit will run an exercise
cycle the following Sunday at 10:00 AM (+/- 1/2 hour).
NOTE: “Set Exercise” will only work if the unit is in the
Automatic mode and this exact procedure is followed.The
exerciser does not need to be re-set if the 15 Amp fuse is
removed or changed.The exerciser will need to be re-set if
the 12 Volt DC battery is disconnected.
If you want to change the day and time the unit exercises,
simply perform the “Set Exercise” procedure at the exact
weekday and time you want it to take place.
• To prevent possible injury that might be caused by such sudden
starts, always set the AUTO/OFF/MANUAL switch to OFF.
• Remove the 15 Amp fuse before working on or around the
generator or transfer switch.

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I hava a 20kw NG guardian gen. When it does its weekly 12 min. test run it most always runs rough and seems to be choaking itself to death.

I have a 400kw unit that does the same thing, I found the regulator needed to be execersized. when the unit starts I shut the isolation valve ahead of the regulator and then when it almost shuts of the gen. i open the valve back up and then everything is ok, hopefully after awhile it will work right.

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1 Answer

Need to reset Timer...need help

Hi Dawn,
I'll ask the obvious question, Does the engine start and run every Thursday at 2:30pm (more or less) or not?

What I see in the field is that people notice the TOD clock on the timer is incorrect due to DST changeover and make a boo-boo while trying to correct it. You seem to have the right idea above so it's better to observe and see if the thing operates like we want rather than fix what might not be broken :-)

Generally speaking...
Generators have 3 switch positions, Off, Auto, and Manual. I think that's the switch on the left side of the panel you mention.

Timers have a Program, Run, and sometimes Override mode of operation. This would be that switch on the right side of the panel above. When in the "Run" mode almost all timers display the current Time Of Day somewhere, many blink the colons in the display to indicate that something is happening.

Let me know if you need further help,

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