6
CFW-11M RB |6-1
Troubleshooting and Maintenance
6 TROUBLESHOOTING AND MAINTENANCE
This chapter presents the following:
- Lists all faults and alarms that may occur.
- Indicates the possible causes of each fault and alarm.
- Lists most frequent problems and corrective actions.
- Presents instructions for periodic inspections and
preventive maintenance in the equipment.
6.1 OPERATION OF THE FAULTS AND ALARMS
When a fault is detected fault (FXXX):
;
The PWM pulses are blocked.
;
The keypad displays the fault code and description.
;
The “STATUS” LED starts flashing red.
;
The output relay set to "NO FAULT" opens.
;
Some control circuitry data is saved in the EEPROM memory:
- The fault or alarm code that occurred (shifts the last nine previous faults and alarms).
- The state of the operating hours counter (P0043) and the powered-up hours counter (P0042).
Reset the converter to return the drive to a “READY” condition in the event of a fault. The following reset
options are available:
;
Removing the power supply and reapplying it (power-on reset).
;
Pressing the operator key
(manual reset).
;
Through the "Reset" soft key.
;
Automatically by setting P0340 (auto-reset).
;
Through a digital input: DIx = 20 (P0263 to P0270).
When an alarm situation alarm (AXXX) is detected:
;
The keypad displays the alarm code and description.
;
The “STATUS” LED changes to yellow.
;
The PWM pulses are not blocked (the converter is still operating).
Содержание CFW-11M RB
Страница 9: ...1 4 CFW 11M RB 1 Safety Instructions...
Страница 21: ...2 2 12 CFW 11M RB General Instructions...
Страница 87: ...7 7 2 CFW 11M RB Accessories...