Pioneer KRP-500P - [18] QAL (Shutdown logs of the Panel Section)

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KRP-500P
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6 7 8
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6 7 8
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D
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[18] QAL (Shutdown information for the display main unit)
Command
Format
Effective status Function Remarks
[QAL] Every time
To acquire up to the 8 latest shutdown
logs managed by the Panel Main
microcomputer
Up to the 8 latest shutdown logs of the display main unit can be acquired.
Return data: 3 (ECO) + 96 (DATA) + 2 (CS) = 101 Byte
ECO Echo back 3 "QAL"
1 Data on the latest shutdown 12
Reasons of the latest 8 shutdowns and hour-meter
data when the shutdowns were generated
(For details, see the tables below.)
2 Data on the 2nd latest shutdown 12
3 Data on the 3rd latest shutdown 12
4 Data on the 4th latest shutdown 12
5 Data on the 5th latest shutdown 12
6 Data on the 6th latest shutdown 12
7 Data on the 7th latest shutdown 12
8 Data on the 8th latest shutdown 12
CS Check sum 2 (CS)
Order Content
Length
(BYTE)
Value Remarks
1 SD category data 1
SD category (For details, see the table below.)
0 for no SD
2 SD subcategory data 1 SD subcategory (For details, see the table below.)
3 HOUR METER 7
Time when a shutdown managed by the Panel Main
microcomputer was generated
All digits are padded with asterisks when there was no SD.
4 Dummy 3 All digits are padded with asterisks.
SD category
(response)
Reason for SD
w/wo
subcategory
SD subcategory
(response)
Reason for subcategory
"0" No SD (no abnormality) Without subcategory "0"
"5"
Shutdown signal from D-Amp.
Short-circuit of speaker terminal.
With subcategory
"1"
"2"
"6"
Failure in module microcomputer communication Without subcategory "0"
"8" Failure in IIC communication
With subcategory
"1" Displayport receiver
A_NG_B : L
OTW : L
"2" Failure in AUDIO PWM IC communication
"A" FAN stop
With subcategory
"1" FAN_A stop
"2" FAN_B stop
"B"
Abnormal temperature of the display
unit (high)
With subcategory
"1" High temperature at Temperature Sensor 1
"2" High temperature at Temperature Sensor 2
"D"
Abnormality in power of the Display MAIN Assy With subcategory "1" Abnormality in 6.5V power supply.
Data Arrangement
Data
Length
Output
Example
Remarks
Shutdown (SD) data
SD categories/SD subcategories