Alto-Shaam COMPITHERM 2020ESG - Manual (Page 30)

COMBITOUCH TM ESG SERIES • GAS INSTALLATION MANUAL • 28.
INSTALLATION
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 93°C
Overcurrent 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 4.0A
Short-circuit LED fl ashing sequence, with 6 fl ashes per period.
Release of interrupt at intermediate circuit current larger
than 53A
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
CombiTouch MOTOR CONTROL ERROR CODES