FORM NO.:
6U5M-A11M-N
B
-
EN
JOHNSON CONTROLS
43
TABLE 12
– DESCRIPTION OF FAULT CODE
(
020~040
)
DESCRIPTION
FAULT CODE
AI1 Refrigerant inlet accumulator temperature sensor fault
1A
AI2 Suction pressure transducer fault
2A
AI3 Discharge temperature sensor fault
3A
AI4 Ambient temperature sensor fault
4A
AI5 System leaving water temperature sensor fault
5A
AI6 System return water temperature sensor fault
6A
AI7 Unit leaving water temperature sensor fault
7A
AI8 Coil temperature sensor fault
8A
AI9 Economizer inlet temperature sensor fault
9A
AI10 Economizer outlet temperature sensor fault
10A
DI1 Water flow switch fault or water pump overload alarm
1d
DI3 Over pressure alarm
3d
DI5 Power failure
5d
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 Mainboard 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
Inverter pump communication
12p
Inverter pump
drive failure
13p
Mainboard hardware failure
14p
Mainboard and Fan1 communication failure
15P
Cooke Industries - Phone: +64 9 579 2185 Email: [email protected] Web: www.cookeindustries.co.nz