3-2.4. Clearing the Protection History
There are two ways to clear the protection history.
(a)    Activate Protection History Display Mode. Press the "
STATUS
" button to display the protection his-
tory. Press and hold the "
DIMMER
" button for 3 seconds.
PRT:DC          
      Press and hold the "
DIMMER
" button for 3 seconds.
                   
PRT:CLEAR       
       The above message is displayed and the protection history is cleared.
                   
NO  PROTECT      
(b)  Initialize this unit.  (See "CAUTION IN SERVICING.")
b  
Use the method in 3-2.4. (a) if you do not want to erase your settings from this unit.
Warning Displays by POWER LED
If the power is turned Off while a protection is being detected, the POWER LED ashes in red to warn 
you depending on the protection status as follows.
(a)   ASO/DC protection: Flashes at 0.5-second intervals (0.25 seconds lit, 0.25 seconds unlit)
(b)  THERMAL (A/B) protection: Flashes at 2-second intervals (1 seconds lit, 1 seconds unlit)
(c)   CURRENT protection: Flashes at 4-second intervals (2 seconds lit, 2 seconds unlit)
115
Caution in 
servicing
Electrical Mechanical Repair Information Updating