Epson DM-M820, Technical Reference Manual, Page: 192 / 324

8-2 Troubleshooting Rev. I
Preparations for Troubleshooting
Before troubleshooting, check and, if necessary, correct the following points.
❏
When the IM-800 is used in your system, you can check for the causes of faults is in the
IM-800 or peripherals by using the device diagnostics.
❏
Is the power voltage in the AC outlet normal?
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Are the peripherals turned on? (The EPSON customer display has its own power switch.)
❏
Are the CPU, DIMM(s), and HDD EPSON-approved products? (EPSON guarantees the
operation of the CPU, DIMM(s), and HDD(s) assembled in the IM-800 prior to shipment to
the customer. For warranty-exchange purposes, EPSON guarantees only CPU, DIMM(s),
and HDDs purchased from EPSON.)
❏
The customer is responsible for products connected to the interfaces below. Confirm that the
products fit the specifications and functions that EPSON recommends.
•
Keyboard/mouse port
•
Serial port
•
Parallel port
•
Ethernet port
•
USB port
•
PCI slot
❏
Are the OS and drivers installed correctly? (For installation methods, refer to Chapter 4.)
Problems and Possible Causes
The problems are indicated below.
System unable to start
Power management faults
System clock faults
Memory faults
Floppy disk drive unit faults
HDD faults
CD-ROM faults
Network faults
LCD display faults
Touch panel faults