![YASKAWA Z1000U Series Programming Manual Download Page 182](http://html2.mh-extra.com/html/yaskawa/z1000u-series/z1000u-series_programming-manual_3226538182.webp)
A
A –Screw locations
Figure 2.23 Reattach the Fan Guard
7.
Turn on the power supply and set o4-03 to 0 to reset the Maintenance Monitor cooling fan operation time.
u
Drive Cooling Fan Replacement: Models 2
o
0248 and 4
o
0216 to 4
o
0414
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
cause damage to equipment. Follow the instructions and replace the entire unit when replacing the cooling fan.
n
Removing the Fan Guard and Cooling Fan
1.
Loosen the 4 screws that hold the fan guard in place.
A
A –Screw locations
Figure 2.24 Loosen the Screws
2.
Slide the fan guard toward the right to remove it from the drive.
Figure 2.25 Remove the Fan Guard
2.5 Drive Cooling Fans
182
YASKAWA ELECTRIC SIEP C710636 10C Z1000U HVAC MATRIX Drive Programming Manual