York YVAG012 Operation & Maintenance Manual page 49

Bit0 Communication Failure
Bit1 Conflict Setting Of Unit Model Type
Bit3 Excessive Lower Ambient Temperature For Cooling Mode
Excessive Lower System Leaving Water Temperature For
Bit5
Cooling Mode
Excessive Higher system Leaving Water Temperature For
Bit6
Heating Mode
Fault Communication failure between principal unit and T8600 or
Bit8
Word 5 BAS
Bit9 Freezing Protection In Winter
Excessive Lower Unit Leaving Water Temperature For
Bit10
Cooling Mode
Excessive Higher Unit Leaving Water Temperature For
Bit12
Heating Mode
Excessive Lower Unit Leaving Water Temperature For
Bit14
Heating Mode
Fault Bit0 Excessive Higher Discharge Temperature
Word 6 Bit8 Freezing Protection Of BPHE
Communication Failure Of Unit （Between Mainboard And
Bit1
Compressor Driver）
Bit3 Mismatching Of Driver Type
Bit5 Compressor Driver Alarm
Bit7 Excessive Higher Speed Of Fan 1
Bit8 Excessive Higher Speed Of Fan 2
Fault
Bit9 Excessive Lower Speed Of Fan 1
Word 7
Bit10 Excessive Lower Speed Of Fan 2
Bit13 Mainboard Hardware Fault
Communication Failure Fan（Between Mainboard And
Bit14
1#Fan Driver）
Communication Failure（Between Mainboard And 2#Fan
Bit15
Driver）
JOHNSON CONTROLS
Cooke Industries - Phone: +64 9 579 2185 Email: sales@cookeindustries.co.nz
FORM NO.: 6U5M-A11M-NB-EN
Bit0: 1-Fault Unit
Bit1: 1-Fault Unit
Bit3: 1-Fault Unit
Bit5: 1-Fault System
Bit6: 1-Fault System
Bit8: 1-Fault Unit
Bit9: 1-Fault Unit
Bit10: 1-Fault Unit
Bit12: 1-Fault Unit
Bit14: 1-Fault Unit
Bit0: 1-Fault Unit
Bit8: 1-Fault Unit
Bit1: 1-Fault
Unit
Bit3: 1-Fault Unit
Bit5: 1-Fault Unit
Bit7: 1-Fault Unit
Bit8: 1-Fault Unit
Bit9: 1-Fault Unit
Bit10: 1-Fault Unit
Bit13: 1-Fault Unit
Bit14: 1-Fault Unit
Bit15: 1-Fault Unit
Web: www.cookeindustries.co.nz
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