Pioneer PRO-810HD Service Manual page 131

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• Identification of locations having abnormality by the number of times the LEDs flash
On Shutdown and power-down
Shutdown
• Operation: When the microcomputer detects any abnormality, it forcibly shuts the unit off.
• LED indication: The LED flashes in green.
Note: The LED flashes regardless of the FRONT INDICATOR setting on the Integrator menu.
Power-down
• Operation: When the unit is in emergency status, a protection circuit is activated, and the power is shut off.
• LED indication: The LED flashes in red.
LED
Category
STB ON
Once Communication failure of the
panel-drive IC
Communication failure of the
Twice
module IIC
Power decrease of the digital
3 times
DC-DC converter
Panel having high
4 times
temperature
Audio failure
5 times
Communication failure of the
6 times
module microcomputer
SD Main 3-wire serial
7 times
communication in failure
Communication failure of the
8 times
main IIC
Communication failure of the
9 times
main microcomputer
Fan in failure
10 times
Unit having higher
11 times
temperature
Main microcomputer ASIC
13 times
power supply NG
Communication failure of
14 times
IF-EEPROM
Other failure
15 times
Once
Power
Twice
SCAN
3 times
SCAN-5V
4 times
Y-DRIVE
5 times
Y-DCDC
6 times
PD Y-SUS
7 times
ADDRESS
8 times
X-DRIVE
9 times
X-DCDC
10 times
X-SUS
11 times
DIGITAL-DCDC
12 times
UNKNOWN (Not identified) ∗ Immediate power-down
15 times
∗ If the unit cannot identify which protection circuit was activated, even if a power-down had been detected, the red LED may flash 15 times.
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Content Unit's Operation
Shutdown 3 seconds
after warning
Shutdown 3 seconds
after warning
Immediate shutdown
Shutdown 30 seconds
after warning
Shutdown 3 seconds
after warning
Shutdown 3 seconds
after warning
Shutdown 3 seconds
after warning
Shutdown 3 seconds
after warning
Immediate shutdown
Shutdown 3 seconds
after warning
Shutdown 30 seconds
after warning
Immediate shutdown
Shutdown 3 seconds
after warning
Shutdown 3 seconds
VCC-D1
after warning
VCC-D2
VCC-D3
VCC-D4
Immediate power-down
Immediate power-down
Immediate power-down
Immediate power-down
Immediate power-down
Immediate power-down
Immediate power-down
Immediate power-down
Immediate power-down
Immediate power-down
Immediate power-down
PRO-1010HD
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Warning Message
Shutdown by circuit failure (01)
Shutdown by circuit failure (02)
Shutdown by warning temperature rise (04)
Shutdown by warning speaker failure (05)
Shutdown by circuit failure (06)
Shutdown by circuit failure (07)
Shutdown by circuit failure (08)
Shutdown by warning fan abnormality (10)
Shutdown by warning temperature rise (11)
Shutdown by circuit failure (14)
Shutdown by circuit failure (15)
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8
A
B
C
D
E
F
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