SINUS PENTA
GUIDE TO THE
REGENERATIVE APPLICATION
148/
150
A058 EXT BYPASS NOT CLOSED
A058
Description
Hardware failure; the external pre-charge contactor is open even
after sending a closure signal.
Event
The control board has forced the closure of the contactor for the
short-circuit of the pre-charge external resistors of the DC-bus
capacitors,
but has not received any closure signal
(auxiliary
contact of the pre-charge relay).
Possible
causes
Wrong wiring, faulty contactor, control board failure.
Solutions
1. Check wiring and contactor.
2. Reset the alarm: send a
RESET
command.
3. If the alarm persists, please contact
ELETTRONICA
SANTERNO’s After-sales service.
A059 Filter Capacitor Protection
A059
Description
The thermal/magnetic circuit breaker protecting the capacitors of the
input filter has tripped.
Event
The control board has not detected any
filter capacitor protection
OK signal
(auxiliary contact of the thermal/magnetic circuit breaker
protecting the drive output filter capacitors).
Possible
causes
Wrong wiring, capacitor overcurrent, control board failure.
Solutions
1. Check capacitors and wiring.
2. Restore the T/M circuit breaker and reset the alarm: send a
RESET
command.
3. If the alarm persists, please contact
ELETTRONICA
SANTERNO’s After-sales service.
A067 Ambient Overtemperature
A067
Description
Too high ambient temperature.
Event
The ambient temperature detected by the control board is too high.
Possible
causes
Drive or cabinet overheating; control board NTC failure.
Solutions
1. Open the cabinet to check its conditions; check measure
M062
.
2. Reset the alarm: send a
RESET
command.
3. If the alarm persists, please contact
ELETTRONICA
SANTERNO’s After-sales service.