KKT chillers nBoxX 1.5, Operating Instruction, Page: 29 / 48

29 / 48 83000902.Ka
Error
Error Error
Error Meaning
Meaning Meaning
Meaning Alarm
Alarm Alarm
Alarm
reset reset reset reset
Alarm relay
Alarm relay Alarm relay
Alarm relay
setting setting setting setting
Assigned
Assigned Assigned
Assigned
PLC output PLC output PLC output PLC output
Cause
Cause Cause
Cause Remedy
Remedy Remedy
Remedy
sensor bro-
ken/short circuit in
temperature sen-
sor B2.
F.83 Temperature
sensor bro-
ken/short circuit in
temperature sen-
sor B3.
Auto
5 8
Temperature sensor faulty. Replace temperature sensor.
F.84 Temperature
sensor bro-
ken/short circuit in
temperature sen-
sor B4.
Auto
5 8
Temperature sensor faulty. Replace temperature sensor.
F.85 Temperature
sensor bro-
ken/short circuit in
temperature sen-
sor B5.
Auto
5 8
Temperature sensor faulty. Replace temperature sensor.
CN Lack of communi-
cation between the
controller and the
display.
Man - - Data cable defective,
no contact.
Check the connection, replace
the data cable if necessary.
Tab. 2 Error codes
7.6
7.6 7.6
7.6 Alarm relay contacts
Alarm relay contacts Alarm relay contacts
Alarm relay contacts
The alarm relay settings of the connection clamp for the alarm relays are assigned as follows:
Setting Setting Setting Setting Meaning Meaning Meaning Meaning
0 Both alarm relays remain closed when a malfunction occurs
1 Alarm relay 1 drops out when a malfunction occurs
2 Alarm relay 2 drops out when a malfunction occurs
3 Both alarm relays drop out when a malfunction occurs
4 Cooling off, both alarm relays remain closed when a malfunction occurs
5 System off, alarm relay 1 drops out when a malfunction occurs
6 Cooling off, alarm relay 2 drops out when a malfunction occurs
7 Cooling off, both alarm relays drop out when a malfunction occurs
8 Cooling off, alarm relay 1 drops out when a malfunction occurs
Tab. 3 Alarm relay setting