4. While pressing in on the hooks on the left and right sides of the fan cover, guide the fan cover until it clicks back
into place.
Figure 7.18
Figure 7.18 Reattach the Fan Cover: 4A0088 and 4A0103
5. Turn the power supply back on and reset the cooling fan operation time for the Maintenance Monitor by setting
o4-03 to 0.
◆ Cooling Fan Replacement: 2A0169 to 2A0415, 4A0139 to 4A0362
WARNING! Electrical Shock Hazard. Do not connect or disconnect wiring while the power is on. Failure to comply can result in serious
personal injury. Before servicing the drive, disconnect all power to the equipment. The internal capacitor remains charged even after
the power supply is turned off. After shutting off the power, wait for at least the amount of time specified on the drive before touching
any components.
CAUTION! Burn Hazard. Do not touch a hot drive heatsink. Failure to comply could result in minor or moderate injury. Shut off the
power to the drive when replacing the cooling fan. To prevent burns, wait at least 15 minutes and ensure the heatsink has cooled
down.
NOTICE: Prevent Equipment Damage. Follow cooling fan and circulation fan replacement instructions. Improper fan replacement
could result in damage to equipment. When installing the replacement fan into the drive, make sure the fan is facing upwards. To
ensure maximum useful product life, replace all fans when performing maintenance.
■ Removing and Disassembling the Cooling Fan Unit
1. Remove the terminal cover and front cover.
2. Remove the fan connector (CN6). Remove the fan connector (CN6, CN7) in models 2A0360, 2A0415, and
4A0362.
Figure 7.19
Figure 7.19 Cooling Fan Replacement: Fan Unit and Connectors
A – Fan Unit D – Circulation Fan Relay Cable
B – Fan Relay Cable E – Fan Connector (CN7)
C – Fan Connector (CN6)
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