Epson SC-T3000, Service Manual

Page: 45 / 314

SC-T7000 series/SC-T5000 series/SC-T3000 series Revision B
TROUBLE SHOOTING Remedies for Service Call Error 45
Confidential
113F CR Lock error
The CR MOTOR was driven at a speed abnormally
slower than a predetermined one during operation.
†
CR ENCODER cable is damaged.
†
CR MOTOR cable is damaged.
†
Irregular load
†
CR ENCODER failure
†
CR MOTOR failure
1. Is there any problems such as damaged cable in the
connections below?
„
CR ENCODER to SUB BOARD (CN102)
„
CR MOTOR to MAIN BOARD (CN19)
2. Check if the tension of the CR TIMING BELT is
proper.
3. Does the CR ENCODER work properly? Check it
using the Service Program.
1. Replace the CR ENCODER.
(See P.138)
2. Replace the CR MOTOR. (See
P.141)
1219 PF Oscillation error
The control terminal (Vre terminal) of the PF
MOTOR driver has shorted out.
1. Is the PF MOTOR driver on the MAIN BOARD
damaged?
2. Is there any foreign materials around the PF
MOTOR driver?
1. Remove the foreign material.
2. If the error still occurs, replace
the MAIN BOARD. (See
P.111)
122A PF Overload error
Overcurrent to the PF MOTOR was detected.
†
PF ENCODER cable is damaged.
†
PF MOTOR cable is damaged.
†
Irregular load
†
PF ENCODER failure
†
PF MOTOR failure
Does the PF ENCODER work properly? Check it
using the Service Program.
1. Replace the PF ENCODER.
(See P.166)
2. Replace the MAIN BOARD.
(See P.111)
122B
PF Over speed error
The PF MOTOR was driven at a speed faster than a
predetermined one during deceleration.
†
PF irregular load
†
PF ENCODER failure
†
SUB-B BOARD is damaged.
†
PF MOTOR driver failure
Does the PF ENCODER work properly? Check it
using the Service Program.
1. Replace the PF ENCODER.
(See P.166)
2. Replace the SUB-B BOARD.
(See P.117)
3. Replace the MAIN BOARD.
(See P.111)
122C
PF Reversing error
The number of occurrences of reversing the PF
MOTOR has reached a predetermined limit.
†
The polarity of PF ENCODER cable is opposite.
†
The polarity of PF MOTOR cable is opposite.
†
Slipping of the teeth of PF TIMING BELT
†
PF ENCODER failure
1. Check the following connection and installation
direction.
„
PF ENCODER to SUB-B BOARD (CN2)
„
PF MOTOR to SUB-B BOARD (CN1)
2. Check if the tension of the PF TIMING BELT is
proper.
3. Does the PF ENCODER work properly? Check it
using the Service Program.
1. Adjust the tension of the PF
TIMING BELT. (See P.168)
2. Replace the PF ENCODER.
(See P.166)
122D PF Driving time-out error
Abnormally-long driving duration of the PF
MOTOR was detected.
†
Irregular load
†
Firmware becomes out of control.
---
Replace the MAIN BOARD. (See
P.111)
Table 2-2. Service Call Error
Code Category Error Name Cause Check Item Remedy