Troubleshooting Checklist - Honeywell ZG 215VN Operation And Putting Into Service

Troubleshooting Checklist

n
Is the heat generator at the required temperature?
è
Read the heat generator's thermometer.
n
Is the burner ready?
Is the burner failure lamp on?
è
If necessary, press the reset button.
n
Was the temperature selector set by mistake?
Setting of the selector knob P2
n
Check the setting of the control unit.
Setting knobs
n
Is the timer running? Is the displayed time correct?
è
Check the time and switch-on point.
If the problem still has not been solved after checking the settings,
position the setting knob
The servomotor should now open the mixing valve and the
L2
LED should light up. If this is not the case, the control system
has failed. Contact your heating technician.
B C
and operating mode selector
B on +7
S
.
red