Epson Stylus Pro 7710 Service Manual page 108

Epson Stylus Pro 7700/7710/7900/7910/9700/9710/9900/9910
Error Details
Error Code
Failed Part Error Name
Pressurizing
144C Reversing error
Pump
Pressurizing Driving time-out
144D
Pump error
Pressurizing Velocity deviation
144E
Pump error
Pressurizing
Lock error
144F
Pump
Pressurizing Pressurizing reset
1536
Pump error
Pressurizing
1537 Pressurizing error
Pump
1489 Wiper Wiper error
148A Wiper Overload error
TROUBLE SHOOTING
Description
Detects that it is being driven in the opposite direction to the specified
driving direction.
The polarity of encoder cable is opposite.
The polarity of motor cable is opposite.
Encoder failure
Irregular load
Detects that the driving period is irregularly long.
Irregular load
Firmware becomes out of control.
Detects that it is being driven at an irregularly faster speed than the
specified value.
Irregular load
Encoder failure
Motor driver failure
Motor failure
Detects that it is being driven at an irregularly slower speed than the
specified value.
Encoder cable is damaged.
Motor cable is damaged.
Irregular load
Encoder failure
Motor failure
The pressurizing cannot be reset. The Pressure Sensor remains on, even
after the pressurizing has been reset.
The motor driving does not end even after the specified period of time
has passed.
The home position of the Wiper is not detected.
The electric current flowing when driving the motor is irregularly large.
Encoder cable is damaged.
Motor cable is damaged.
Irregular load
Encoder failure
Motor failure
Remedies for Service Call Error
Remedy
Check the connection between the Pressurizing Unit and the Main
Board Assy.
Replace the Pressurizing Unit. (See P.214)
Replace the Main Board Assy. (See P.167)
Replace the Pressurizing Unit. (See P.214)
Replace the Main Board Assy. (See P.167)
Check the connection between the Pressurizing Unit and the Main
Board Assy.
Replace the Pressurizing Unit. (See P.214)
Replace the Pressurizing Unit. (See P.214)
Check the connection of the Pressurizing Unit.
Check the connection of the Pressure tubes.
Replace the Pressurizing Unit. (See P.214)
Check the connection of the Wiper HP Sensor.
Replace the Ink System Unit. (See P.205)
Check if there is some foreign material causing extra load on the Wiper
system.
Check the connection between the Ink System Unit and the Main Board
Assy.
Replace the Ink System Unit. (See P.205)
Revision D
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