LEYBOLD SCROLLVAC plus - Replace the Pump Controller (1-Phase Pump Indicator Only); Replace 3-Phase Electric Terminal Box Fusing

replacement is required, this is especially useful if operating a preventative
maintenance plan.
It is possible for an experienced technician, who is suitably trained, to
perform maintenance and repair on pumps up to and including bearing
r
eplacement.
Note:



Note:


To reset the 1-phase service indicator, refer to


on page 60.
9.8Replace the pump controller (1-phase pump indicator
only)
The service indicator, (ashing ON 3 s/OFF 3 s) is triggered to indicate that
the pump controller should be replaced. Contact us for further details.
The pump controller service indicator cannot be reset.
9.9Replace 3-phase electric terminal box fusing
The 3-phase electric terminal box includes fuse protection for the hours
counter and the electric fan. In the event of either sub-component failing the
internal fusing can be changed using the following procedure:
1. Remove power to the 3-phase pump1.
2. Isolate the electrical supply2.
3. Remove the 3-phase electric terminal box. Refer to
3.
 on page 30 for details.
4. Transformer fusing: FS1 and FS2-T 500 mAh 500 V Refer to
4.
.
5. Fan and Hours counter fusing: FS3-T 250 mAh 250 V Refer to
5.
.
300668736_002_C7 - © Leybold 59
Maintenance