Troubleshooting - Nederman 14527837 Manual Del Usuario

9

Troubleshooting

For more troubleshooting information, see the 'VACON 100 HVAC Application
Manual', the 'Fan Inverter Installation and Service Manual' and the
documentation for any units connected to Fan Inverter.
NOTE! If Fan Inverter does not start after a reset, switch off and on power to
Fan Inverter.
Table 9-1: Troubleshooting
Error Possible cause
Alarm in display. PID1 supervision is equal to
low pressure level.
(Press BACK/RESET)
for information
Other alarm or fault.
about the alarm.)
Alarm flashlight Fan Inverter is not ready.
flashing.
(Fan not started.)
There is an alarm in the
display.
Alarm flashlight Low pressure level.
flashing.
(Fan running.)
Fan Inverter does Fan Inverter is not ready.
not start the fan.
Start signal from Fan Timer
is missing.
Start signal from external
contact is missing.
Fan Inverter is set to Local
mode.
Fan Inverter does Start signal from Fan Timer
not stop the fan. is still active.
Start signal from external
contact is still active.
Fan Inverter is set to Local
mode.
Fan Inverter does Low pressure level.
not reach set point.
Solution
See Low pressure level under 'Alarm flashlight flashing' below.
Reset the alarm with the BACK/RESET button when corrected.
See the 'VACON 100 HVAC Application Manual' and the
documentation for any unit that is connected to Fan Inverter,
or consult a Nederman certified technician.
Check and switch on the safety switch at fan if it can be done
safely, or consult a Nederman certified technician.
See the 'VACON 100 HVAC Application Manual' and the
documentation for the unit that is connected to Fan Inverter,
or consult a Nederman certified technician.
•
If the pressure hose is disconnected or damaged, check the
hose and repair it.
•
If too many extraction points are open, close excessive
extraction points.
•
If there is a too high pressure drop in the system, check, for
example, the filter pressure drop at FilterMax and clean the
filter if applicable.
•
Consult a Nederman certified technician.
Check and switch on safety switch at fan if it can be done
safely, or consult a Nederman certified technician.
•
Check real time clock settings.
•
Check Fan Timer settings.
Check the equipment providing the start signal.
Adjust to correct the control place, or consult a Nederman
certified technician.
•
Check clock setting.
•
Check Fan Timer settings.
Check the equipment providing the start signal.
Stop system with STOP button. Adjust to correct the control
place, or consult a Nederman certified technician.
•
If the pressure hose is disconnected or damaged, check the
hose and repair it.
•
If too many extraction points are open, close excessive
extraction points.
•
If there is a too high pressure drop in the system, check, for
example, the filter pressure drop at FilterMax and clean the
filter if applicable.
•
Consult a Nederman certified technician.
Fan Inverter EN
15