Epson Stylus Pro 7400 - Page 193

EPSON Stylus Pro 7400/7800/9400/9800 Revision B
Troubleshooting Troubleshooting based on Panel Messages 193
SERVICE CALL 00010008

Description
Servo interrupt watchdog time-out error
 Explanation
The printer causes this error and stops operation if it detects a watchdog time-out
on the DC motor drive circuit (CPU or ASIC) while the CR or PF Motor is
driving.
 Remedy
CPU or ASIC failure can be considered as the cause of the error, replace the Main
Board Assy. Replace the BOARD ASSY., MAIN (p.232).
SERVICE CALL 00010009

Description
System interrupt watchdog time-out error
 Explanation
The printer causes this error and stops operation if it detects an out-of-control state
or cache failure in the CPU or ASIC while the C594 Main Board is processing a
print data.
 Remedy
CPU or ASIC failure can be considered as the cause of the error, replace the Main
Board Assy. Replace the BOARD ASSY., MAIN (p.232).
SERVICE CALL 0001000A

Description
Carriage home position detection error
 Explanation
The printer causes this error and stops operation if it cannot detect the Carriage
home position or cannot detect it within a fixed time period during the power-on
initialization operation or while performing home position detecting operation
during printing.
 Check Point
1. Make sure that the CR HP Sensor is free of dust or foreign materials.
2. Perform the CR HP Sensor check by the “1.4.6.1 Self Testing Menu (SELF
TESTING)” (p.106).
 Remedy
1. Clean dirt or foreign materials on the CR HP Sensor and check if it is
damaged.
2. Replace the CR HP Sensor (p.244).
3. Replace the BOARD ASSY., MAIN (p.232).