2.
3.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Open the HMI back cover plate.
Replace the battery.
The HMI uses a 3 V lithium battery, type CR2032×1.
Illustration 75: Location of the Battery Inside the HMI
9.6 Replacing the Cooling Fans
Cut off the system power according to 9.2 Standard Maintenance Process and take all the safety measures.
N O T I C E
The cooling fans have different models according to power levels.
Procedure
If an air duct is used to exhaust hot air outside the installation room, disassemble the interface between the air duct and the
cooling fan.
Remove the front and back grates (A). Each is mounted with 9 M6x16 hexagonal combination screws. Retain the screws.
See
9.6.1 Diagram of the Cooling Fan Replacement.
Remove the cooling fan cover (B). Remove and retain 16 M4x8 countersunk head screws.
Remove the bottom grate (C). Remove and retain ten M6x16 hexagonal combination screws.
The bottom grate is only available in optional configurations.
Remove the wiring cover and disconnect the fan wiring.
Remove the fan bracket (D). Remove and retain 8 M8x20 hexagonal combination screws.
Remove the fan (E). Remove and retain 5 M6x16 and 4 M4x12 hexagonal combination screws.
Install the new fan and fasten all screws in reverse sequence.
Finish up the maintenance and replacement by reinstalling the parts in reverse order.
Finish the installation of the fan power and cable interface before fastening the cooling fan mounting screws.
If there is an air duct, restore and fix the interface of the air duct.
AQ363633621020en-000201 / 172F3117 | 85Danfoss A/S © 2021.06
Maintenance
VACON® 1000
Operating Guide
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