trouble shooting
COMBITHERM® CT PROFORMANCE™ SERIES • STEP-BY-STEP PROCEDURES • MN-35948 • 60.
Type of Error Indication Release of Error
Undervoltage LED fl ashing sequence, with 1 fl ash per period. Voltage of intermediate circuit is less than 250V
Overvoltage LED fl ashing sequence, with 2 fl ashes per period. Voltage of intermediate circuit exceeds 445V
Excess
Temperature
LED fl ashing sequence, with 3 fl ashes per period.
Temperature sensor in the power unit is more than
199°F (93°C)
Current Peak LED fl ashing sequence, with 4 fl ashes per period.
Blocked motor, detected by current peak monitoring
from 900 rpm rotating fi eld
Overcurrent LED fl ashing sequence, with 5 fl ashes per period. Intermediate circuit current exceeds 4.0 A
Short-circuit LED fl ashing sequence, with 6 fl ashes per period.
Release of interrupt at intermediate circuit current
larger than 53 A
Power on LED fl ashing sequence, with 7 fl ashes per period.
Effective mains voltage does not correspond to
jumper setting 115V/230V
Watchdog LED fl ashing sequence, with 8 fl ashes per period.
Watchdog of the microcontroller released, program
crash
TOUCH MOTOR CONTROL ERROR CODES
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