26
IGBT TRIP ALARM
Yellow ALARM led 5 blinks
The current drawn by the
load exceeds the capacity of
MIDA or inverter power
module (IGBT) is failed.
Decrease the ramp-up time
Check the voltage drop
along the supply cable to
the motor.
Check motor insulation
NO COMMUNICATION
Yellow ALARM led 6 blinks
Communication between
master and slave(s) has
been interrupted.
Check the wiring
connections
MAX. VALUE ALARM
Yellow ALARM led 7 blinks
Measured value has
reached the maximum
value accepted by the
system.
Check possible causes of
reaching max value
Check the max alarm value
setting
MIN. VALUE ALARM
Yellow ALARM led 8 blinks
Measured value has
reached the lowest value
accepted by the system.
Check possible causes
reaching min value (i.e.
broken pipe, open pressure
relief valve, etc.)
Check the min alarm value
setting.
ADDRESS ERROR
Yellow ALARM led 9 blinks
Two units with master
address in the group
Check units address
ALARM CPU
Yellow ALARM led 10 blinks
Error on CPU
Contact technical service
ACTIVE DIGITAL INPUT
Yellow ALARM led fast
blinking
Digital input activated
Check digital input
connections.
