Epson SC-T7000 series Service Manual page 45

SC-T7000 series/SC-T5000 series/SC-T3000 series
Code Category Error Name
113F CR Lock error
1219 PF Oscillation error
PF Overload error
122A
122B PF Over speed error
122C PF Reversing error
122D PF Driving time-out error
TROUBLE SHOOTING
Table 2-2. Service Call Error
Cause
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
The control terminal (Vre terminal) of the PF
MOTOR driver has shorted out.
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
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
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
Abnormally-long driving duration of the PF
MOTOR was detected.
Irregular load
Firmware becomes out of control.
Remedies for Service Call Error
Check Item
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. Is the PF MOTOR driver on the MAIN BOARD
damaged?
2. Is there any foreign materials around the PF
MOTOR driver?
Does the PF ENCODER work properly? Check it
using the Service Program.
Does the PF ENCODER work properly? Check it
using the Service Program.
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.
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Revision B
Remedy
1. Replace the CR ENCODER.
(See P.138)
2. Replace the CR MOTOR. (See
P.141)
1. Remove the foreign material.
2. If the error still occurs, replace
the MAIN BOARD. (See
P.111)
1. Replace the PF ENCODER.
(See P.166)
2. Replace the MAIN BOARD.
(See P.111)
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)
1. Adjust the tension of the PF
TIMING BELT. (See P.168)
2. Replace the PF ENCODER.
(See P.166)
Replace the MAIN BOARD. (See
P.111)
45
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