Cooper Lighting 84700 Manuale Utente

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