ABB ACS6080 User Manual page 192

A
Figure 9-6 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
3BHS842007 E01 REV C
B
1
09 PREVENTIVE AND CORRECTIVE MAINTENANCE
A B
2
(3) Red LED off (A) and Green LED
off (B): Auxiliary voltage is missing
ACS6080 USER MANUAL
A B
3
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