Maintenance Mode; Resetting Error Mode (When The Orange Led Is Blinking) - Hitachi NR 1890DC Service Manual

3. Maintenance mode

Maintenance mode is used to move the piston down to the bottom dead point in preparation for feeding
compressed air or overhauling the nailer. To set MAINTENANCE mode, hold down both the nailing
operation switch* and the power switch on the operation panel for at least five seconds.
*: The nailing operation switch is not provided for the products intended for New Zealand. Peel back the
operation panel and press the inside button (red).
Fig. 1
For others
For New Zealand
Push
Indication: Indicated by the blue LED on the operation panel blinking (at intervals of 0.5 second).
Be careful not to mistake the blinking for contact actuation mode (at intervals of 1.0 second).
Function: Starts the motor when the pushing lever is pressed against wood and the trigger is pulled.
Stops the motor when detecting two motor rotations.

4. Resetting error mode (when the orange LED is blinking)

Error indication: Indicated by the orange battery level indicators blinking (at intervals of 0.5 second).
The power indicator turns off automatically 10 seconds later.
To reset the mode: Hold down both the battery indicator switch and the nailing operation switch for at least
five seconds.
Fig. 2
For others
Push
Orange LED blinking
(at intervals of 0.5 sec.)
For New Zealand
Push
Push
Push
5 seconds later
Push
Push
5 seconds later
Push
Blue LED blinking (at intervals of 0.5 sec.)
Full sequential actuation mode is set.
(The blue LED goes on.)
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