Operating instructions

SPA 1500
Maintenance Instructions
96106-000-MI Maintenance instructions.doc
Page 4 of 5
1.4 FAULT FINDING PROCESS.
1. Consult the system description together with the drawings.
2. Make an analysis of the symptoms as far as possible. Check for electrical or mechanical
noise, instrument readings, etc.
3. The error symptoms should be written into the Maintenance Logbook together with
instrument readings and all the actions carried out during the fault finding process, even
if the influence to the error symptoms seems neglectable.
THIS IS VERY IMPORTANT SPECIALLY IF THE FAULT IS NOT DETECTED AND
FURTHER SUPPORT IS NECESSARY, MAY BE FROM THE MAINTENANCE
DEPARTMENT OR FROM THE VENDOR.
4. Carrie out the following points except for the points of no interest due to the error
conditions:
a. Make a thorough check on all plugs, sockets, terminals, boards, switches and relays.
Watch specially the cable arrangement and look for any damage of the wires.
b. Check all fuses and correct level of supply voltages. The fuses and the power
arrangements are located in the Central Equipments.
c. Look for any damaged parts or components in the Central Equipments.
d. If you suspect the fault(s) to be located within the Central Equipments, replace with
spare parts.
e. When faults are detected and corrected, carry out a check of the complete system.
PLEASE REMEMBER TO ORDER OR REPLACE ANY USED SPARE PARTS AS SOON AS
POSSIBLE .
Handbook page
32/94