DAS-300 E
14
Dallmeier electronic
5.2.2
Power supply module
The DAS-300 E is fitted with two power supply modules, each of them supplying 50% of the
total power during normal operation. If one of the power supply modules fails, all the power
will be provided by the remaining one. The defective power supply module can be replaced
whilst the system continues to operate.
IMPORTANT
Serious damage to the unit and modules. The DAS-300 E must
always be operated with 2 power supply modules installed.
Two LEDs on the rear side indicate the status of each power supply module:
5.2.3
Fan module
The DAS-300 E is equipped with a fan module for monitoring and controlling the temperature
in the DAS-300 E.
Fig. 5-4
Fig. 5-5
Status LEDs
Handle
Cold appliance jack
Mains supply
Fan
Fig. 5-6
Fig. 5-7: Error LED
LED green
off
off
off
on
on
LED amber
off
on
on
off
on
Description
No power
(either power supply units)
No power
(this power supply module only)
Power supply module fault (over
temperature, overvoltage,
overcurrent, power supply unit fan
failure)
Power supply OK, normal
operating state
Fan fault