Heaters did not shut off after maintenance

[midwestE]

Today I used maintenance mode (30 minutes) to do some tank maintenance and frag gluing.  I noticed over an hour after I finished that the heaters were stuck on and did not shut off.

At 11:49:19 I started maintenance mode and at 12:15:17 it ended.



Heaters will still on at 1:22:01 when I noticed and hit "Resume" which turned them off.




Here is the graph, when I turned hit resume, temp was 79.0 degrees (set point is on at 77 off at 78)




I'm concerned that if I hadn't noticed, they would have just continued to heat until hitting the manual setting on the heaters (81).

Looked a bit at the code in regard to heaters:

Code:

void outlets::monitorHeaters()  // monitors heaters/chillers
{
 if (maintenance.maintRunning() == 0)
 {
   for (byte a=0; a < _totalHeaters; a++)
   {
     if (sensorsTemp.tempCorF() == 1)
     {
       if (sensorsTemp.temp(_heatSenID[a]) <= _heatOn[a]) {outletOn(_heatOID[a],1);} // turn on heater
       else if (sensorsTemp.temp(_heatSenID[a]) >= _heatOff[a]) {outletOff(_heatOID[a],1);} // turn off heater
     }
     else
     {
       if (sensorsTemp.temp(_heatSenID[a]) <= ((_heatOn[a]-32)*5/9)) {outletOn(_heatOID[a],1);} // turn on heater
       else if (sensorsTemp.temp(_heatSenID[a]) >= ((_heatOff[a]-32)*5/9)) {outletOff(_heatOID[a],1);} // turn off heater
     }
     
//      else if ((sensorsTemp.temp(_heatSenID[a]) > _heatOn[a]) && (sensorsTemp.temp(_heatSenID[a]) < _heatOff[a])) {outletOff(_heatOID[a],1);} // turn off heater
   }
 }
}

Doesn't seem like anything should EVER stop the monitoring of heaters, this should be one routine that runs all the time without exception.  I'm wondering if somehow maintenance.maintRunning() failed to set maintenance mode to off after it finished.