• The power cord is disconnected.

Properly connect the power cord.

Supplying power to the instrument with the AC Adapter (AC power)

• The Battery Pack is not installed correctly.

Properly install the Battery Pack if it is improperly installed.

Installing the Battery Pack in the instrument

• The Battery Pack is not sufficiently charged.

Charge the Battery Pack.

• The AC Adapter is not outputting 12 V DC.

The AC Adapter cannot be replaced or repaired by the customer.

Contact your authorized Hioki distributor or reseller.

• A backlight saver is being used.

Disable the backlight saver.

“7.1 Configuring Settings” in the Instruction Manual.

• The key lock is engaged.

Disengage the key lock.

Key lock (disabling keys)

• A key is stuck in the depressed position.

Release the key from its depressed position.

• The instrument is displaying the [Waiting for pre-trigger...] message.

  When using the pre-trigger function, the trigger will not be accepted until the instrument finishes capturing the pre-trigger waveform.

When not using the pre-trigger, disable it.

“2.2 Enabling the Trigger Function” in the Instruction Manual.

• The instrument is displaying the [Waiting for trigger...] message.

  Recording will start when the trigger is activated.

When not using the trigger, disable it.

“2.2 Enabling the Trigger Function” in the Instruction Manual.

• The waveform display has been disabled.

Enable the waveform display.

• The cables are disconnected.

• The cables are damaged.

Properly connect the cables if they are disconnected or improperly connected.

Connecting the Cables

• The range settings are not correct.

Select a more appropriate range.

“1.4 Configuring Input Channels” in the Instruction Manual.

• Hioki optional media is not being used.

Use a Hioki optional SD Memory Card or USB Drive.

Proper operation of the instrument with media other than options provided by Hioki is not guaranteed.

• The media has not been inserted properly.

Insert the media properly.

SD Memory Card and USB Drive

• The media has not been formatted (initialized).

Format media when using it for the first time.

“3.2 Formatting Media” in the Instruction Manual.

• There is not enough available space left on the media.

Format or switch media.

• There are more than 1000 files in the folder.

  Up to 1000 files can be displayed in the folder.

Keep the number of files stored in every folder to a maximum of 1000.

If a folder contains an excessive number of files, it will take a while to store.

You can copy and delete files.

“3.5 Managing Data” in the Instruction Manual.

• The ambient temperature is outside the charging temperature range of 5°C to 35°C.

Charge the Z1007 within an ambient temperature range of 5°C to 35°C.

• The instrument was stored for an extended period with a Battery Pack installed.

The Battery Pack may have deteriorated.

Z1007 Battery Pack

Please purchase a new Battery Pack.

Remove the Battery Pack before storing the instrument if it will not be used for one month or more.

• The Battery Pack’s capacity has diminished due to deterioration.

The Battery Pack may have deteriorated.

Z1007 Battery Pack

Please purchase a new Battery Pack.

• The instrument is being used in a cold place.

  Due to the Battery Pack’s characteristics, the instrument may not start up if the Battery Pack is cold.

Take one or more of the following measures:

• Attach two Battery Packs in the instrument.

• Warm the Battery Pack to room temperature.

• Replace the Battery Pack with a standby Battery Pack.