Diagnosis; Power Supply Operation - Pioneer KRP-500P Service Manual

5

5. DIAGNOSIS

5.1 POWER SUPPLY OPERATION

[1] LED DISPLAY INFORMATION
LED Pattern
Status
AC-OFF
Blue
/Main PowerOFF
Red
Standby
Blue
Red
Power ON
Blue
Red
Abnormality in system
Blue
connection
Red
Power down
Blue
Red
Shutdown
Blue
Red
No digital adjustment
Blue
data copied for backup
Red
During download
Blue
(panel main)
Red
During download
Blue
(excepting panel main)
Red
*1: This LED only flashes when power-down is generated in the display unit.
When power-down is generated in the MR, the LED on the MR flashes.
*2: This LED only flashes when shutdown is generated in the display unit.
When shutdown is generated in the MR, the LED on the MR flashes.
*3: These LEDs only flash during rewriting of software in the display unit.
During rewriting of software in the MR, the LEDs on the MR flash.
5
6
LED Display Pattern
1000ms
1000ms
Once Twice
500ms
500ms
Once Twice
200ms
100ms
100ms
100ms
100ms
6
7
n times 2.5s
n times 2.5s
300ms
KRP-500P
7
8
Remarks
*1
Once
*2
Once
*3
D
E
F
35
8
A
B
C