
8 P1963E/EN 2008-06 63b_1_5 en.fm, 04.04.2011
Troubleshooting
4
4 Troubleshooting
5 Maintenance
➔Keep the contacts of the power module and the battery free of contamination. Only in this way is proper
function of the power module guaranteed.
6 Service
NOTE
If repair is required, send the complete power module to Cleco. It may be repaired only by authorized tech-
nicians. Opening the power module will void the warranty.
Error Cause Measure
The green DC OK LED is not
illuminated when the power
supply is connected.
No power supply voltage. ➔Check and restore the power
supply voltage.
Power cable defective. ➔Replace power cable.
Defective fuse in the power supply
module.
➔Replace 6.3 AMT fuse, see
2.2 System overview – optio-
nal accessories, page 5.
Power module defective. ➔Replace power module.
Power module overloaded. ➔Switch off the power supply
and switch it back on after
approx. 30 sec.
The red Overload LED is illu-
minated.
Overload of the 48 VDC output
voltage.
➔Check EC tool and cable for
damage.
Short circuit in the Adapter cable. ➔Replace Adapter cable.
Short-circuit in the EC tool. ➔Replace EC tool.
EC tool requires too much power. ➔Check EC tool for damage
and replace if necessary.
The temperature of the power mod-
ule is too high.
➔Decrease the ambient tem-
perature to <40° C (104° F).
The red >Overload< LED
flashes at a frequency of
approx. 1 Hz.
Continuousoverload ofthe 48 VDC
output voltage.
➔Check EC tool and cable for
damage.
Short circuit in the Adapter cable. ➔Replace Adapter cable.
Short-circuit in the EC tool. ➔Replace EC tool.
EC tool requires too much power. ➔Check EC tool for damage
and replace if necessary.