Festo 174335, Electronic Manual

Page: 160 / 184

5. Diagnosis and error treatment
5-38
Festo P.BE-VIFB13-03-EN en 0003c
5.8 Type 04-B: fuses for the pilot solenoids
The pilot solenoid coils of the valve terminals of type 04-B are
fused separately with (quick acting) 0.315 A fuses. These
fuses are situated on the printed circuit board (behind a
cover) in each manifold sub-base. Each single-solenoid mani-
fold sub-base is fitted with one fuse; each double-solenoid
manifold sub-base is fitted with two fuses.
Replacing defective/burnt through 0.315 A fuses
In order to replace burnt through fuses, proceed as follows
(note also Fig. 5/8).
1. Switch off the compressed air supply and the power sup-
ply (connections 1 and 2).
2. Open the cover of the manifold sub-base.
3. Carefully remove the defective/burnt through fuse from
its base (see diagram).
4. Insert a new (quick-acting) 0.315 A fuse.
5. Close the cover.