Delta 16 SM600 Datasheet download pdf (Page 20)

DELTA ELEKTRONIKA BV SM6000

Page 4 - 7 OPERATING MAINTENANCE TROUBLE SHOOTING CALIBRATING July 2003, rev. March 2012

6) MASTER / SLAVE PAR AL LEL PROB LEMS

• Check the volt age drop of the wir ing be tween the mas ter and the

slaves is < 10 mV.

• Check the wir ing has a low in duc tance.

7) OUT PUT VOLT AGE IS HIGHER THAN SET VALUE

• Check con nec tions on SENSE BLOCK (on rear panel), For nor -

mal op er a tion there should be a link be tween + and S+ and be -

tween – and S– (see also fig. 4 - 16). When re mote sens ing is

used, check the wires of the sens ing.

8) OT LED on

• The tem per a ture of the in ter nal heat sink is too high,

the out put has been shutdown to avoid overheating.

• Check if the cool ing fans are run ning.

• Check if the air tem per a ture of the air in lets (left) is be low 50 °C

and the air flow is not ob structed.

9) OT LED blinks

• The tem per a ture of the in ter nal heat sink is get ting too high, a fur -

ther in crease will shut down the power sup ply.

• Check if the cool ing fans are run ning prop erly.

• Check if the air tem per a ture of the air in lets (left) is be low 50 °C

and the air flow is not ob structed.

10) ACF LED on

• Phase Loss, check in put.

• The in put volt age is too low or was in ter mit tent be cause of a bad

con nec tion. Dis con nect the mains, wait a few min utes and try

again.

As soon as the ACF LED Iights, the set tings for Re mote CV,

Remote CC and Key lock will be saved. If the unit turns back on, it

will have the same set tings. For the set ting of Out put On/Off af ter

turn ing the unit back on, the po si tion of DIP switch 2 on SW1 is de -

ter min ing.

If the ACF sit u a tion lasts a few sec onds, the out put will shut down.

The ACF prob lem has to be solved first, be fore the out put can be

turned on again.

• In ter nal er ror, send unit for re pair. See pre vi ous para graph 1).

11) DCF LED on

• The out put volt age is below the set volt age. This au to mat i cally

hap pens when the unit is in CC-mode (CC LED is on).

Also with an interrupted In ter lock con nec tor, the DCF LED will be

on.

• In ter nal er ror, send unit for re pair. See pre vi ous para graph 1).

12) PSOL LED on

• The Power Sink is in over load or the tem per a ture of the Power

Sink is too high. See datasheet of the Power Sink op tion for fur ther

de tails.

13) Blink ing LEDs RE MOTE CV, RE MOTE CC and

OUT PUT ON

• This in di cates the Keylock func tion is ac ti vated, see pre vi ous

para graph 2) in "op er at ing man ual".

14) NO LEDS on

• Check in put.

• Do not try to re pair, but send for re pair. See pre vi ous para graph 1).

15) OTHER

• If the prob lem per sists, please fill out the RMA-form on our website

www.DeltaPowerSupplies.com. See also pre vi ous para graph 1).

fig. 4 - 16

For nor mal op er a tion links should be con nected

be tween S+ and + and be tween S– and –

1 2 ... 15 16 17 18 19 20 21 22 23

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Delta 16 SM600 Datasheet Page 20

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