Page 34 of 38
102808_CAPAC_MANUAL_MODEL_90W12D_SYSTEM.doc
Trouble Shooting
Some probable causes of failure and their symptoms are:
Steel Hulls:
1) Symptoms:
CAPAC Monitor Meter reads higher than the correct value
– above 0.75 for bronze – above 0.95 for steel
a. Anode and reference electrode cables may be reversed or shorted together.
Remember that the reference electrode has a white lead wire attached to the
back of it while the anode has a black lead wire attached to the back of it. Re
check wiring as shown on Figure 3.7 and test as explained in the Service
paragraph 1 and 2.
b. Wire to negative terminal of controller is not securely connected to the hull.
c. The craft may be receiving protection from “zincs” or another CAPAC
®
system.
If the zincs are attached to the hull, noting can be done except to remove
them. Their removal is not absolutely necessary, but in general, a reading
above 1.05 indicates over protection and this condition is not recommended
due to excessive calcareous deposits and possible paint damage.
d. If the controller is faulty and the high reading is not caused by a, b, or c, the
meter should gradually fall to 5 or 6 on steel hulls and 7 or 8 on aluminum
hulls when the input power is disconnected.
2) Symptoms:
The CAPAC
®
Monitor Meter continually reads between 0.1 and 0.6
Check:
a. Blown 10 ampere input fuse caused by a shorted anode or excessive current
demand.
b. Dead or discharged battery. Check for battery voltage on terminals (+) and (-
).
c. Open anode lead wire to anode. Check as described in Service.
d. If the controller is defective, connecting a wire from terminal + to A will place
the battery voltage on the anodes and will give an increase in hull potential.
To Next Page
Loading...