40 Installation Manual for Generac PWRcell Inverter
Maintenance
To replace a fuse:
1. Initiate an inverter shutdown. See Shutdown
Mode for more information.
2.
See
Figure 7-1
.
Open all PWRcell DC Disconnects
(A). Verify DC voltage reported on LCD screen has
dropped to below 10VDC.
3. Disconnect all sources of AC and DC Power.
4. Remove wiring compartment cover. See Access-
ing Wiring Compartment.
5. See Figure 7-2. Locate DC fuse holders (B).
6. Using a multi-meter, verify all PWRcell DC and AC
terminals are below 10V.
7. Press fuse holder up and turn counterclockwise to
release.
8. Remove fuse from fuse holder and check for conti-
nuity using a multi-meter.
9. Insert replacement fuse into fuse holder.
10. Reinstall fuse holder. Turn clockwise until tight.
Figure 7-2. Removing Wiring Compartment Cover
Recovery From an Error State
Error events will force the PWRcell inverter into an error
state where no DC power is exported, though voltage
may still be present on REbus from connected devices.
To recover a device from an error state, use the front
control panel to disable and then enable to device.
If the system is unable to be accessed, but is connected
to the Internet, contact Generac Technical support for
assistance in resetting an error state.
B
010018
A
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