CP : control panel, FC : frequency converter, SB : supply board, CB : cooling board, CC : control cable, LL : lid locking, BC : braking chopper,
BR : brake resistor, MR : mains reset, EC : error cause, ES : error consequence, ER : error remedy, M : measurements, ECR : error-code reset
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4. Error messages
4.1. Brief description
• Error messages in:
MIKRO 22
MIKRO 22 R
Error designation No. Brief description Page
TACHO-ERROR 01 Speedometer pulses break down during rotation 15
TACHO-ERROR 02 No speedometer pulses after start command 15
IMBALANCE Imbalance on motor axle 16
CONTROL-ERROR 04 LL error, lid opened without recognizing that
motor had stopped
16
N > MAX 05 Excessive speed error, 250 RPM above n-max of
rotor
16
ROTORCODE 10 Invalid rotor code 17
MAINS INTERRUPT Mains interruption 17
VERSION-ERROR 12 Error in initialisation 17
N < MIN 13 Speed error, slippage is too great 18
CONTROL-ERROR 21 CP - error: speed 18
CONTROL-ERROR 22 CP - error: I²C bus 18
CONTROL-ERROR 23 CP - error: display memory 18
CONTROL-ERROR 24 CP - error: clock timeout 18
CONTROL-ERROR 25 CP - error: EEPROM 18
CONTROL-ERROR 26 CP - error: driver defective 18
N > ROTOR-MAX --- CP - error: nominal speed is higher
than permitted rotor speed
or nominal RCF is higher
than permitted rotor RCF
18
SER I/O-ERROR 30 No connection between CP and serial interface 18
SER I/O-ERROR 31 No connection between FC and serial interface 18
SER I/O-ERROR 33 Subassembly data incorrectly transmitted 19
SER I/O-ERROR 34 Data incorrectly transmitted between CP and FC 19
SER I/O-ERROR 36 No acknowledgement (NAK) from FC to CP 19
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