MN-35949 • Rev 04 • 06/16 • Combitherm® CT PROformance™ Series • Technical Service Manual • 61
Error Codes
Type of Error Indication Release of Error
Undervoltage LED flashing sequence, with 1 flash per period. Voltage of intermediate circuit is less than 250V
Overvoltage LED flashing sequence, with 2 flashes per period. Voltage of intermediate circuit exceeds 445V
Excess
Temperature
LED flashing sequence, with 3 flashes per period.
Temperature sensor in the power unit is more than 199°F
(93°C)
Current Peak LED flashing sequence, with 4 flashes per period.
Blocked motor, detected by current peak monitoring from
900 rpm rotating field
Overcurrent LED flashing sequence, with 5 flashes per period. Intermediate circuit current exceeds 4.0 A
Short-circuit LED flashing sequence, with 6 flashes per period.
Release of interrupt at intermediate circuit current larger
than 53 A
Power on LED flashing sequence, with 7 flashes per period.
Eff ective mains voltage does not correspond to jumper set-
ting 115V/230V
Watchdog LED flashing sequence, with 8 flashes per period. Watchdog of the microcontroller released, program crash
Touch Motor Control Error Codes
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