Corrective Maintenance; Safety - ABB ACS5000 User Manual

10.6. Corrective maintenance

Overview on maintenance tasks:
– Visual checks on the drive
– Cleaning
– Checking wire and cable connections
– Checking and replacing filter mats
– Replacing a fan in an IP42 roof-mounted cooling unit (optional)
– Replacing a fan in an IP54 roof-mounted cooling unit (optional)

10.6.1. Safety

DANGER
Hazardous voltages! Risk of life-threatening injury or DEATH.
→ Before you work on the drive, carry out the steps in Section 2.3.2, "The 7 steps that
save lives", page 25.
After the work is complete and before you energize the drive:
→ Remove all foreign objects.
→ Secure and fasten all covers.
→ Close all doors.
→ Lock the doors of the medium voltage compartments.
→ Verify that the release dials of the safety switches are in the locked position.
WARNING
Hazardous voltage! If the control unit has buffer capacitors (depends on the auxiliary
supply type), the capacitor voltage is 300 V (DC) during operation.
→ After you stop the drive, wait 5 minutes for the capacitors to discharge
5 min
→ BEFORE you touch a capacitor, verify that the capacitors have been discharged
The IPXXB/IP20 rating of the low voltage compartment is not fulfilled by live parts with
voltages > 50 V AC. If the compartment door is open during drive operation, contact
with these accessible live parts can result in DEATH or serious injury!
→ Work must ONLY be performed by qualified personnel with electrotechnical
expertise
NOTICE
Risk of component damage. Foreign objects, metallic dust, and dirt can cause an energized
drive to fail.
→ Remove all foreign objects.
→ Secure and fasten all covers.
→ Close all doors.
PRODUCT
ACS5000W gen. 2
DOCUMENT KIND
User manual
PREVENTIVE AND CORRECTIVE MAINTENANCE
DOCUMENT ID.
3BHS799208 E01
REV. LANG. PAGE
J en 168/186