User Guide
22
3.4. Clearing the protection history
There are two ways to clear the protection history, as described below.
(1) Start up the error (protection history display) mode, display the error, then press and hold in the
2
button for 3
seconds.
P R O T E C T H I S T O R Y
: S P O U T _ D C
Press and hold in the
2
button for 3 seconds.
P R O T E C T H I S T O R Y
C L E A R
The above is displayed and the protection history is cleared.
P R O T E C T H I S T O R Y
: N O P R O T E C T
(2) Initialize. (See 1.Initial setting mode)
s
z
If you want to save a backup of other setting item, use the method in 3.4.(1) above.
s
Warning indication by the STANDBY LED
If the power is turned off when a protection incident has been detected, the STANDBY LED (red) ashes as follows as
warning according to the conditions in which the protection incident occurred.
(1) SP DC PROTECTION/AMP SD PROTECTION : Flashes in cycles of 2 seconds (1 second lit, 1 second off)
(2) POWER DC PROTECTION : Flashes in cycles of 0.5 seconds (0.25 seconds lit, 0.25 seconds off)
b
1,
b
2
b
1 Accepting input from the ON/STANDBY,
1
, and
5
buttons is prohibited.
b
2 Even if the AC cord is disconnected and then reconnected, the unit starts in 0.25-second interval ashing mode.
The accepting of input from the ON/STANDBY,
1
, and
5
buttons is also prohibited in that case.
3.5. Recovering from POWER DC PROTECTION
(1) When POWER DC PROTECT is detected, press the ON/STANDBY button while pressing the
2
and
1
/
3
buttons on
the unit simultaneously.
(2) The STANDBY LED (red) stops ashing and the unit enters the normal standby mode.










