APC INROOM ACPSC3000 Operations Instructions Page 62

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InRoom CW/DX – Operating Instructions62
9.1.7 Malfunction causes and remedies
Alarm: Humidifi er defect
The humidifi er alarm is received by the controller and can be requested according to the equipment.
InRoom advanced terminal: indication on the display
In the event of this signal on the controller, look for the exact cause of the fault on the humidifi er's printed
circuit board in the electrical section of the cooling unit. If an alarm has been raised, the red light-emitting
diode displays a fl ashing alarm code. The meaning of the alarm codes can be seen in the alarm table 2
on pages 63 and 64.
Electrical Hazard:
Repairs to the electrical components are only to be carried out by APC authorized personnel
or by Customer Ser v i ce Department.
time
time
time
time
time
time
time
time
no alarm
1x fl ashing
2x fl ashing
9x fl ashing
Diagram 3: Alarms: red LED - "short fl ashing"
Diagram 4: Alarms: red LED - "long fl ashing"
no alarm
1x fl ashing
2x fl ashing
9x fl ashing
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