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TrilliumSeries™ Adiabatic
Cooler - TRF Operation & Maintenance Manual
–
Alarms & Troubleshooting
Page | 104
Parameter
Condition
Trigger Criteria
The unit will issue the alarm when all the following are true:
• Number of Fans ≥ Fan X
• Fan X Modbus Address D011 LSB bit 5 = 1
Release Criteria
The unit will release the alarm when any of the following are true:
• Number of Fans < Fan X
• Fan X Modbus Address D011 LSB bit
5 = 0
Troubleshooting
Contact your BAC Representative for support
General Alarm DO
True
Effect
N/A
Table 59. Fan X Fan Bad (General Error) Alarm
Parameter
Condition
Trigger Criteria
The unit will issue the alarm when all the following are true:
• Number of Fans ≥ Fan X
• Fan X Modbus Address D011 LSB bit 4 = 1
Release Criteria
The unit will release the alarm when any of the following are true:
• Number of Fans < Fan X
• Fan X Modbus Address D011 LSB bit 4 = 0
Troubleshooting
• Check Fan X communication wiring
• Check Fan X communication shielding
General Alarm DO
True
Effect
N/A
Table 60. Fan X Communication Error Alarm
Parameter
Condition
Trigger Criteria
The unit will issue the alarm when all the following are true:
• Number of Fans ≥ Fan X
• Fan X Modbus Address D011 LSB bit 3 = 1
Release Criteria
The unit will release the alarm when any of the following are true:
• Number of Fans < Fan X
• Fan X Modbus Address D011 LSB bit 3 = 0
Troubleshooting
Contact your BAC Representative for support
General Alarm DO
True
Effect
N/A
Table 61. Fan X Output Stage Overheating Alarm
Parameter
Condition
Trigger Criteria
The unit will issue the alarm when all the following are true:
• Number of Fans ≥ Fan X
• Fan X Modbus Address D011 LSB bit 1 = 1
Release Criteria
The unit will release the alarm when any of the following are true:
• Number of Fans < Fan X
• Fan X Modbus Address D011 LSB bit 1 = 0
Troubleshooting
• Check power supply to unit
• Contact BAC Support
General Alarm DO
True
Effect
N/A
Table 62. Fan X Phase Failure Alarm