2. Replace IPU
3. Replace CTL
4. Replace PSU
SC670-03
IPU start up error when the machine boots up.
Replace the part in order of precedence stated below (since there is a high possibility that those
parts are broken and causing the error).
1. Replace IPU
2. Replace CTL
3. Replace PSU
4. Replace BCU.
SC670-04
Communication error between the engine and controller.
Replace the part in order of precedence stated below (since there is a high possibility that those
parts are broken and causing the error).
1. Replace IPU
2. ReplaceBCU
3. Replace CTL
4. Replace PSU
When SC672 (Controller start up error) is displayed
Symptom:
Note: CTL = Controller
The following occur:
SC672-00
Communication error between operation panel and CTL after machine is powered
on.
SC672-10
Communication error (receive) between operation panel and CTL after machine is
powered on.
SC672-11
Communication error (send) between operation panel and CTL after machine is
powered on.
SC672-12 Communication error between operation panel and CTL after normal start-up.
Troubleshooting for SC Errors
1067
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