Read Sharp RZ-E601 (serv.man9) Service Manual online
11
BASIC TROUBLE-SHOOTING
TROUBLE SHOOTING
Trouble-shooting
Item
Failure Symptom
Trouble-shooting
1
System no boot, Power LED
off
off
1. 1. Verify that the 19V Power adapter is connected to the unit
2. Replace 19V Power Adapter
3. Replace Motherboard
3. Replace Motherboard
2
System no boot, continuous
abnormal beeping sound
abnormal beeping sound
1. Verify that RAM is inserted properly
2. Replace RAM
2. Replace RAM
1. 3. Replace Motherboard
3
System POST with a short
beep sound and without boot
screen
beep sound and without boot
screen
1. Clearing the CMOS
2. Replace Motherboard
2. Replace Motherboard
4
System working after 1
– 5 min
Fan run then full speed, on
boot
boot
1. 1. Clearing the CMOS
2. Swap EPROM
3. Replace RAM
3. Replace RAM
2. 4. Replace Motherboard
5
HDD is not working
1. Load optimized defaults in BIOS and restart
1.
2. Replace parts in below order: HDD, HDD cable, HDD power cable
6
USB does not respond
1. Verify that the USB device is connected to the unit
2. Load optimized default in BIOS and restart
2. Load optimized default in BIOS and restart
1. 3. Replace Motherboard
7
No output from Audio
Line-out/MIC input have no
action
Line-out/MIC input have no
action
1. Use other device for cross checking
2. Load optimized default in BIOS and restart
3. Replace Motherboard
2. Load optimized default in BIOS and restart
3. Replace Motherboard
8
No Display but system with
boot
boot
2. 1. Verify that the VGA cable is connected to the unit
3. 2. Verify that the VGA cable is connected to monitor
4. 3. Replace VGA Cable
5. 4. Replace monitor
3. 2. Verify that the VGA cable is connected to monitor
4. 3. Replace VGA Cable
5. 4. Replace monitor
5. Replace Motherboard
9
LAN does not work
1. Check if the server connection is normal
2. Verify RJ45 LAN cable connection status
3. Check if the LAN driver is normal
4. Replace Motherboard
2. Verify RJ45 LAN cable connection status
3. Check if the LAN driver is normal
4. Replace Motherboard
10
PUSB, No power output
1. Verify PUSB cable connection status
2. Replace installed device
3. Replace Motherboard
2. Replace installed device
3. Replace Motherboard
11
COM port does not respond
1. Load optimized default in BIOS and restart
2. Replace Motherboard
2. Replace Motherboard
12
Cash Drawer does not
respond
respond
1.Use other cash drawer for cross checking
2. Load optimized defaults in BIOS and restart
2. Load optimized defaults in BIOS and restart
2.
3. Replace Motherboard
13
12V/DC Output, No Power
1. 1. Verify that the device is connected to the unit
2. Check Bios
– Chipset – South Bridge - HDMI/VGA Power Support is
enabled.
3. Replace Cable
4. Replace device
5. Replace Motherboard
3. Replace Cable
4. Replace device
5. Replace Motherboard
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