174
Motor and motor control
7
Green LED
LED blinking pattern Cause
OK blink (brief pause every 5 seconds)
Microcomputor in motor control unit not working, voltage is on.
Current limiter of motor control has switched on.
Yellow LED
LED blinking pattern Error code on display Cause
EXACTA CLARUS
31E HEAT SINK TOO HOT Overheated heat sink on motor control.
32E MOTOR TOO HOT Motor thermal protector has triggered.
33E NO INTERLOCK Motor controller receives start request,
but receives no lock ACK (input 302).
13E NOMOTORCOMM. Communicationerrormotorcontrol-
programme unit.
- - Short-circuitinmotorwinding,harness
or internally in motor control.
Motor control restarts automatically.
35E MOTORSHORTNING Short-circuitinmotorwinding,harness
or internally in motor control.
36E INTERLOCK HARDWARE Error in lock ACK circuits in motor
controller.
37E LOW DC VOLTAGE DC level in motor control too low.
38E HIGH DC VOLTAGE DC level in motor control too high.
41E KLIXON CIRCUITS Error in motor control circuits used to
detect motor thermal protector.
45E TACHO Motor don't follow, error in tacho,
tacho circuits, motor cable or contacts
for motor cable.
approx. 5 seconds
approx. 5 seconds
7
LED indications
Two LEDs, one yellow and one green, indicate any errors on the motor
controller and motor.
The table below shows the blinking patterns of the various error codes.