FORM NO.:
6U5M-A11M-N
B
-
EN
JOHNSON CONTROLS
42
AI7 Unit leaving water temperature sensor fault
7A
AI8 Coil temperature sensor fault
8A
DI1 Water flow switch fault or water pump overload alarm
1d
DI3 Over pressure alarm
3d
Communication failure ( failure on 1# unit is between principal unit and wire controller
while others for principal and subordinate unit.
)
1E
Conflict setting of unit model type
2E
Excessive lower ambient temperature for cooling mode
4E
Excessive lower system leaving water temperature for cooling mode
6E
Excessive higher system leaving water temperature for heating mode
7E
Communication failure between principal unit and T8600 or BAS
9E
Freezing protection in winter
10E
Excessive lower unit leaving water temperature for cooling mode
11E
Excessive higher unit leaving water temperature for heating mode
13E
Excessive lower unit leaving water temperature for heating mode
15E
Excessive higher discharge temperature
1F
Freezing protection of BPHE
9F
Communication failure of unit
(
between Microboard and driver
)
2p
Mismatching of driver type
4p
Compressor driver alarm
6p
Excessive higher speed of fan 1
8p
Excessive higher speed of fan 2
9p
Excessive lower speed of fan 1
10p
Excessive lower speed of fan 2
11p
Microboard hardware failure
14p
Driver hardware overcurrent
101
Compressor driving failure
102
Compressor overcurrent
103
Reserved
104
Sampling failure of compressor current
105
Heat sink/IPM overheating alarm
106
Pre-charge failure
107
DC bus over voltage
108
DC bus under voltage
109
AC input under voltage
110
AC input overcurrent
111
Driver check out failure
112
AC input hardware overcurrent
113
Driver temperature sensor fault
114
Cooke Industries - Phone: +64 9 579 2185 Email: [email protected] Web: www.cookeindustries.co.nz