Troubleshooting; The Power Source Does Not Start, Led (C) On Control Panel Unlit - Cebora POWER SPOT 5600 Service Manual

CEBORA S.p.A.

3.3 - Troubleshooting.

ANY INTERNAL INSPECTIONS OR REPAIRS MUST BE CARRIED OUT BY QUALIFIED
BEFORE BEGINNING MAINTENANCE OPERATIONS, UNPLUG THE MACHINE FROM
THE MAINS AND WAIT FOR THE INTERNAL CAPACITORS TO DISCHARGE.
MEASURE THE VOLTAGE ON THE DC-CAPACITORS (24) EVERY TIME YOU
ACCESS THE INTERIOR OF THE POWER SOURCE, AND DISCHARGE THEM
MANUALLY IF NECESSARY BY TEMPORARILY APPLYING A 470 OHM 50 W
RESISTOR IN PARALLEL TO THE DC-CAPACITORS (24) (see warnings par. 1.3).
NEVER SHORT-CIRCUIT THE TERMINALS OF THE DC-CAPACITORS (24).
Items in boldface describe problems that may occur on the machine (symptoms).
Operations preceded by this symbol refer to situations that the operator must verify (causes).

♦ Operations preceded by this symbol refer to actions the operator must perform in order to
solve the problems (solutions).

3.3.1 - The power source does not start, led (C) on control panel unlit.

MAINS SUITABILITY TEST.
No voltage due to tripped mains protection.

♦ Eliminate any short-circuits on the connections between power cable, switch (21),
fuse (J) and power board (12).
♦ Make sure that terminals L1 and L2 of CN1 on power board (12) are not short-
circuited between themselves or towards earth.
♦ Mains not suitable to power the power source (ex.: insufficient installed power).
MAINS CONNECTION TEST.
Terminals L1 and L2 on power board (12) = 115 or 230 Vac, with switch (21) closed.
♦ Check power cable and plug and replace if necessary.
♦ Make sure the fuse (J) is intact on the rear panel of the power source.
♦ Check switch (21), and replace if defective.
♦ Check the mains voltage conditions.
3.302.311
WARNINGS
PERSONNEL.
NOTE
NO Correct?
YES
YES Correct?
NO
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23/01/2015