Qvis IZEUS 7000 NVR RANGE User Manual page 227

1. Device cannot boot up properly.
These are the following possibilities:

Input power is not correct.

Power connection is not correct.

Power switch button is damaged.

Program upgrade is wrong.

HDD malfunction or something wrong with HDD ribbon.

Front panel error.

Main board is damaged.
2. Device often automatically shuts down or stops running.
These are the following possibilities:

Input voltage is not stable or this is too low.

HDD malfunction or something is wrong with the internal disk.

Button power is not enough.

Front video signal is not stable.

Working environment is too harsh, too much dust.

Hardware malfunction.
3. System cannot detect hard disk.
These are the following possibilities:

HDD is broken.

HDD internal disk is damaged.

HDD cable connection is loose.

Main board SATA port is broken.
4. There is no video output whether this is one-channel, multiple-channel or all-channel
output.
These are the following possibilities:

Program is not compatible. Please upgrade to the latest version.

Brightness is set to the '0' value. Please restore factory default setup.

There is no video input signal or This is too weak.

Check privacy mask setup or your screen saver.

Device hardware malfunctions.
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