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User Guide | Stepper Valve Extension Module, Type EKE 1P

Alarm list

Alarm text

Valve configuration error

No valve configured

Battery critical low voltage

Battery low voltage

Standby mode

Manual control

Check valve step mode vs

positioning

Valve speed too fast

Valve speed to slow

Valve emergency speed too fast

Valve emergency speed too slow

Valve start speed too slow

Valve short circuit or driver too

hot

Low supply voltage

Network master missing (CAN)

ERR31

Description

One or more valve configuration errors are blocking operation of stepper valve.

Check the other active alarms to identify the valve configuration problem.

No valve selected. Please configure the correct valve.

Voltage from back-up module is found to be critically low and the valve will likely not be fully closed in case of a

power failure.

Check connections / replace battery or EKE 2U module.

Voltage from back-up module is found to be too low to close the valve in case of power failure.

Replace battery or EKE 2U module.

The controller is in standby due to the Main switch parameter setting being off.

The controller is in manual control, no automatic control is active and many alarms are disabled.

With I064 Valve step mode set to "full" and I029 Valve step positioning set,

Half step operation is possible. Correct either I029 or I064.

Number of micro steps/sec is too high (higher than 12800 micro step/sec):

Reduce valve speed or use less micro steps per full step.

Number of micro steps/sec is low (lower than 8 micro step/sec), increase valve speed, increase valve start speed or

use more micro steps per full step.

Number of micro steps/sec is too high (higher than 12800 micro step/sec).

Reduce valve emergency speed.

Number of micro steps/sec is low (lower than 8 micro step/sec). Increase valve emergency speed.

Number of micro steps/sec is low (lower than 8 micro step/sec). Increase valve speed, increase valve start speed or

use more micro steps per full step.

Valve driver is unable to drive valve.

Check for short circuit of the coils or if ambient is higher than 60 °C.

Supply voltage is found to be lower than expected tolerance.

No communication possible with the pack controller AK-PC in application 1. Check the CANBUS connection and

configuration in both EKE 1P and AK-PC.

See next page

BC320219567793en-000201 | 11