Kohler Curtis AC F2-T User Manual

7 — DIAGNOSTICS AND TROUBLESHOOTING
Curtis AC F2-A, F4-A, F6-A Motor Controllers – FOS 4.5 – April 2022 Return to TOC
pg. 202
2a. CANbus Emergency Message: Main_Contactor_Did_Not_Close_Active | 0x2221 0x01
Main Contactor Did Not Close fault. Flash code 3-9 (LEDs: x3 x9)
Identier DLC Data
0A6 8 39 FF 01 21 22 01 00 00
In this example, Device ID = 26h (38d). Note the “little-endian” byte-ordering for the error code
(ash code) and fault record object index. e Data Byte 5, 01, indicates the rst fault type for
the Main Contactor Did Not Close fault. In this case, the contactor was “open” during initial closure
operation (e.g., either the Driver 3 (pin 5) or the KSI Coil Return (pin 2) were disconnected, or the
contactor is defective). e 11-bit identier assembles as: A6h = 00 01 | 0 1 0 0 1 1 0, where the top
4 bits are the Sync-Error Function code, and the bottom 7 bits are the Node ID, as explained above.
2b. CANbus Emergency Message: Main_Contactor_Did_Not_Close_Active | 0x2221 0x01
Main Contactor Did Not Close fault. Flash code 3-9 (LEDs: x3 x9)
Identier DLC Data
0A6 8 39 FF 01 21 22 02 00 00
In this example, Device ID = 26h (38d). Note the “little-endian” byte-ordering for the error code
(ash code) and fault record object index. e Data Byte 5, 02, indicates the second fault type for
the Main Contactor Did Not Close fault. In this case, the contactor “opened” during operation (e.g.,
either the Driver 3 (pin 5) or the KSI Coil Return (pin 2) were disconnected while operational). e
11-bit identier assembles as: A6h = 00 01 | 0 1 0 0 1 1 0, where the top 4 bits are the Sync-Error
Function code, and the bottom 7 bits are the Node ID, as explained above.
3a. CANbus Emergency Message: Severe_B_Plus_Undervoltage_Active | 0x2120 0x01
Severe B+ Undervoltage. Flash code 1-7 (LEDs: x1 x7)
Identier DLC Data
0A6 8 17 FF 01 20 21 01 00 00
3b. CANbus Emergency Message: Severe_KSI_Undervoltage_Active | 0x2122 0x01
Severe KSI Undervoltage. Flash code 1-7 (LEDs: x1 x7)
Identier DLC Data
0A6 8 17 FF 01 22 21 01 00 00
In examples 3a and 3b, both faults share the same LED ash code. ey are distinguished in Data
Bytes 3 & 4 – Fault Record Object Index.
e OEM-dened user faults are also accessible in a CANbus emergency message. Error category
= 0x62XX (for User Fault 1-32 are OEM/Factory dened and implemented in VCL). For example:
e User_1_fault is OEM denable and is implemented the same way as the above OS faults.
CANbus Emergency Message: User_1_Fault_Active 0x2710 0x01 0x00
Flash code 5-1 (LEDs x5 x1)
Identier DLC Data
0A6 8 51 62 01 10 27 01 00 00

Kohler Curtis AC F2-T Specifications

General

Brand	Kohler
Model	Curtis AC F2-T
Category	Controller
Language	English