Troubleshooting; Specifications - AKG PSU 4000 User Instructions

3 Setting UP
3.3 Powering Up and
Powering Down
3.4 Fuse
Warning!
4 Cleaning
Important!

5 Troubleshooting

Problem
None of the front panel LEDs is lit.
Connected cmponent(s) fail(s) to function
although associated OK LED(s)
is (are) lit.
One of the FAIL LEDs is lit.

6 Specifications

6.1 Input
6.2 Outputs
6.3 System
6.4 Standards
8
1. To power up, press the ON/OFF key.
The three DC OUT OK LEDs will be lit.
The power LEDs (if any) on the components connected to the PSU 4000 will light if the components
are on.
For details on operating WMS 4000 components, refer to the appropriate manuals.
2. To power down, press ON/OFF again.
Make sure to replace the fuse integrated in the IEC receptacle with a fuse of the same
type (2 A slow-blow only. Other types of fuses may cause malfunctioning or a risk of fire.
1. Disconnect the AC adapter from the power outlet.
2. Use a cloth moistened (not wet!) with water to clean the surfaces of the equipment.
Never use caustic or scouring cleaners or cleaning agents containing alcohol or solvents
since these may damage the enamel or plastic parts.
Possible Cause
1. PSU 4000 is not connected to power.
2. PSU 4000 is OFF.
3. Fuse on the distribution fuse board is
blown.
4. Fuse on PSU 4000 is blown.
5. PSU 4000 is defective.
1. Connected component(s) is (are) off.
2. DC connector on connecting cable is not
plugged all the way in.
3. Connecting cable is defective.
4. Incorrect voltage (component defective).
5. Incorrect polarity (component defective).
1. DC output is shorted.
2. DC output is overloaded.
3. Unit is overheated.
4. Connecting cable or connected
component is defective.
5. Internal error.
Input voltage
Frequency
Output voltage
Max. output current
Weight:
Size
This product conforms to the standards listed in the Declaration of Conformity. To order a free copy of
the Declaration of Conformity, visit http://www.akg.com or contact sales@akg.com.
Remedy
1. Connect PSU 4000 to power.
2. Switch PSU 4000 ON.
3. Check fuse.
4. Replace fuse with fuse of same type (2 A
slow-blow).
5. Disconnect all connecting cables from DC
OUT jacks. If LEDs fail to illuminate, con-
tact your nearest AKG Service Center.
1. Switch component(s) on.
2. Disconnect connecting cable and plug
connector all the way into DC OUT jack.
3. Replace connecting cable.
4. Contact your nearest AKG Service Center.
5. Contact your nearest AKG Service Center.
1. Eliminate the short.
2. Check connected load:
Total current consumption of all connected
components msut not exceed 2.5 A
(DC OUT 1) or 2 A (DC OUT 2-3).
3. Check ventilator, check connected load,
place unit in a cooler location.
4. Disconnect cable. If OK LED illuminated,
replace connecting cable or have compo-
nent checked by AKG Service.
5. Contact your nearest AKG Service Center.
90 VAC to 264 VAC
47 to 63 Hz
3 outputs, 12 VDC each
DC OUT 1: 2.5 A, DC OUT 2-3: 2 A
1.3 kg (3.2 lbs.)
200 x 190 x 44 mm (7.8 x 7.5 x 1.7 in.)
PSU 4000