1.SC Codes
366
Error Name/Error Condition/Major Cause/Solution
The cooling fan alarm detected an error when the multi bypass unit cooling fan
was turned ON.
Multi bypass unit cooling fan defective/disconnected
Broken harness of the above
PCB defective
1. Set (slide) the multi bypass tray again, and turn the main power OFF then
ON.
2. Check the connectivity of the harnesses connecting the cooling fan and LCT,
and replace them.
3. Replace the cooling fan.
4. Replace the PCB.
5. Check the connectivity of the harness of the LCT, and replace it.
6. Replace the PCB of the LCT.
7. Replace the multi bypass unit.
Error Name/Error Condition/Major Cause/Solution
LCT2: Protection device break error
The fuse blown signal “H (error)” of the fuse on the PSU/PCB in the LCT2 is
detected.
Connector on the harness between PSU and PCB on LCT2 disconnected
Harness broken
PSU defective
PCB defective
Poor grounding of the 24V line
Reconnect the connector on the harness between PSU and PCB on LCT2.
Replace the harness
Replace the PSU.
Replace the PCB.
Replace the harness/actuator.
Error Name/Error Condition/Major Cause/Solution
LCT2: PSU Cooling Fan 1 error
Cooling fan alarm “H (error)” is detected while the PSU Cooling Fan 1 on the
LCT2 is ON.
PSU Cooling Fan 1 on the LCT2 defective
Connector disconnected
Harness broken