SOLARDRIVE
PLUS
PROGRAMMING
GUIDE
102
/
107
A136
Dry Run
Description
Dry Run: no water is being delivered to the pump, or the dangerous cavitation phenomenon is
about to occur.
Event
The drive has been working under Dry-run conditions (see Figure 6) for a time longer than
P712
and with a speed reference higher than the minimum value between
P711
and
C029.
Possible cause
No water in the hydraulic circuit.
Solution
Restore water level in the hydraulic circuit.
A140
Torque Off not Safe
Description
Malfunctioning of
ENABLE-A
and
ENABLE-B
inputs for the STO function
Event
The redundant circuitry for the drive enable (simultaneous activation of the
ENABLE-A
and
ENABLE-B
inputs) is no longer active, so opening those inputs does not guarantee that the STO
function is properly implemented.
For more details, please consult the Safe Torque Off Function
Possible cause
Fault in the circuitry dedicated to the Safe Torque Off function.
Solution
1. Reset the alarm: send a
RESET
command.
2. If the alarm persists, please contact ENERTRONICA SANTERNO
’s Customer Service.