3BHS212794 E01 REV M ACS6000 USER MANUAL 229/278
10 PREVENTIVE AND CORRECTIVE MAINTENANCE
10.3.3.5 LEDs on optional heat exchangers
Two LEDs on the front of the heat exchanger indicate the status of
the unit.
Alarm signals are also shown on the CDP control panel.
Figure 10-6 Status LEDs on optional air-to-air heat exchangers
(1) Red LED off (A) and Green LED on
(B): Heat exchanger is healthy
(2) Red LED on (A) and Green LED off
(B): Alarm conditions
(3) Red LED off (A) and Green LED off
(B): Auxiliary voltage is missing
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