9131
Rev. M
TABLE 4-2
TROUBLESHOOTING PROCEDURE
PROBLEM POSSIBLE CAUSE TEST CORRECTIVE ACTION
CSC does not
operate in remote
(all circuits)
Power source not
energized Verify voltage is
present at TB1-L, LN Restore power
Blown fuse Check F1 Replace fuse
Broken wire Check wiring harness Repair or replace harness
assy
One or two circuits
of CSC do not
operate in local or
remote
Broken wire Check wiring harness Repair or replace harness
assy
Loose or defective
H.V. relay module Check connector Re-seat connector on
Timing Circuit Card
Check relay control
harness Repair or replace relay
harness
Regulator trips off
when one or more
circuits are
activated
Miswired lighting ----- Check all wiring
Defective relay or
open lighting circuit Disconnect wires to
R1 & R2 using an
ohmmeter, determine
fault location
Repair lighting circuit or
replace relay module or
faulty relay
Regulator current
falls when light
circuit is activated
regulator capacity is
insufficient Calculate total load
requirements Use a larger regulator
CSC does not
operate in remote Remote control wires
connected incorrectly
or broken
Check remote
connections Repair remote control
equipment
Defective timing
circuit ------ If remote control signals are
correct, the problem is
probably due to a defective
timing circuit card.
Observe all precautions of
para. 4.2 when replacing
the timing circuit card
18