MUTOH SC-1000, Руководство по обслуживанию

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Maintenance Manual – SC Cutting Plotter
26 AP-74030, Rev / B
4.3. Problem symptoms and suggested actions.
4.3.1. Processor errors.
PROBLEM SYMPTOM POSSIBLE CAUSE SUGGESTED ACTIONS
-
Error code 0
- Watch dog timeout
- Bus trap error
- Address trap error
-
Illegal instruction (MC68020)
- Zero divide
- General processor failure
- Interrupt failure
-
1010 CPU failure
-
1111 CPU failure
- DRAM error
- SRAM error
-
Poor connection between
main and terminal board.
- Bad EPROM’s
- Bad EEPROM
-
Mainboard failure
-
Check cable and connection
- Check pins and position of
EPROM and EEPROM.
Reinstall EPROM and
EEPROM.
- Replace Mainboard
- EPROM checksum error - EPROM data is changed - Replace EPROM set
- EEPROM error - EEPROM data is changed - Perform INIT 1
-
Perform INIT 2
- Replace EEPROM
-
- Extended RAM error - Poor extended RAM
connection
-
Bad extended RAM
-
- Check connection
- Replace extended RAM
4.3.2. X- Y Servo errors.
PROBLEM SYMPTOM POSSIBLE CAUSE SUGGESTED ACTIONS
- OUT of SYNC X
- OUT of SYNC Y
-
X position Timeout
- Y position Timeout
- X over current
- Y over current
-
X overload
- Y overload
- X Encoder fail
- Y Encoder fail
- Encoder failure
-
Driver failure
- Defective motor / encoder
- Loose drive pulley
-
Failure in drive circuit
- Poor connection of motor/
encoder
- Too much friction in X or Y
axis
- Replace motor / encoder
- Fix pulley or replace motor /
encoder
- Replace main PC board
- Check cables and
connections
-
Check X and Y movement