Epson SC-T3000, Service Manual

Page: 47 / 314

SC-T7000 series/SC-T5000 series/SC-T3000 series Revision B
TROUBLE SHOOTING Remedies for Service Call Error 47
Confidential
141A
PUMP Overload error
Overcurrent to the pump motor was detected.
†
Pump motor encoder cable disconnection
†
Pump motor cable disconnection
†
Irregular load
†
Pump motor encoder failure
†
Pump motor failure
1. Is there any problems such as damaged cable in the
connections below?
„
Pump motor (pump motor encoder) to MAIN
BOARD (CN14)
2. Does the pump motor encoder work properly?
Check it using the Service Program.
Replace the pump motor encoder
and pump motor (PUMP CAP
UNIT).
(See P.147)
141B PUMP Over speed error
The pump motor was driven at a speed faster than a
predetermined one during deceleration.
†
Irregular load
†
Pump motor encoder failure
†
Pump motor driver failure
Does the pump motor encoder work properly? Check
it using the Service Program.
1. Replace the pump motor
encoder (PUMP CAP UNIT).
(See P.147)
2. Replace the MAIN BOARD.
(See P.111)
141C PUMP Reversing error
The number of occurrences of reversing the pump
motor has reached a predetermined limit.
†
The polarity of pump motor encoder cable is
opposite.
†
The polarity of pump motor cable is opposite.
1. Is there any problems such as damaged cable in the
connections below?
„
Pump motor (pump motor encoder) to MAIN
BOARD (CN14)
2. Does the pump motor encoder work properly?
Check it using the Service Program.
Replace the pump motor encoder
(PUMP CAP UNIT).
(See P.147)
141D PUMP Driving time-out error
Abnormally-long driving duration of the pump
motor was detected.
†
Irregular load
†
Firmware becomes out of control.
---
Replace the MAIN BOARD. (See
P.111)
141E
PUMP Velocity deviation error
The pump motor was driven at a speed abnormally
faster than a predetermined one during acceleration
or deceleration.
†
Irregular load
†
Pump motor encoder failure
†
Pump motor failure
†
Pump motor driver failure
Does the pump motor encoder work properly? Check
it using the Service Program.
1. Replace the pump motor
encoder and pump motor
(PUMP CAP UNIT).
(See
P.147)
2. Replace the MAIN BOARD.
(See P.111)
141F PUMP Lock error
The pump motor was driven at a speed abnormally
slower than a predetermined one during operation.
†
Irregular load
†
Pump motor encoder failure
†
Pump motor failure
1. Is there any problems such as damaged cable in the
connections below?
„
Pump motor (pump motor encoder) to MAIN
BOARD (CN14)
2. Does the pump motor encoder work properly?
Check it using the Service Program.
Replace the pump motor encoder
and pump motor (PUMP CAP
UNIT).
(See P.147)
14B0
Pump in the ink
path
Life of the pump in the
ink path (IC HOLDER
life error) The IC HOLDER has reached its end of specified
life. (The number of detaching ink cartridges has
reached a predetermined limit.)
---
Replace the IC HOLDER. (See
P.148) and reset its counter (See
P.231) .
Table 2-2. Service Call Error
Code Category Error Name Cause Check Item Remedy