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DigiMod PFC2 - PFC4 | SERVICE MANUAL
INDEX
5. Troubleshooting:
Checking the fuse and varistor
Checking the MOSFETs for short circuit
DigiMod PFC2
Ω
Ω
Ω Ω
This step is common to both PFC2 and PFC4 models.
With a multimeter se to Ohm, check for continuity in the
F1 fuse and for 270 KΩ on the VR1 Varistor as portrayed
on (Fig. 7)
Note that the VR1 varistor is conveniently accessible
from the bottom of the chassis.
(Fig. 7)
(Fig. 8)
By means of a multimeter set to Ohm, check for any short
circuit in the Mosfets by probing on the points indicated
on (Fig. 8).
Model Kit Number Description
DigiMod PFC2
KT000890.R KIT DM PFC2 PSU
DigiMod PFC4
KT000843.R KIT DM PFC4 PSU
Please refer to the following table when ordering the
repair Kit.
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