Fuse change
The mains fuse is located in a sealed fuse
holder inside of the device, see
Fig. 10.
1. Disconnect the controller from the
mains power
2. Open the controller and put the
upper section of the housing into its
"parked position"
3. Remove cap of micro-fuse
4. Remove the micro-fuse using a
suitable tool
5. Fit the micro-fuse using a suitable
tool
6. Fit cap of micro-fuse
7. Replace upper section of housing
and close the controller
Maintenance
137
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