1.SC Codes
591
Pattern
B
Error Condition
Cooling fan alarm “H (error)” is detected when the PSU cooling fan 2 on LCT1 is ON.
Major Cause
Power of downstream unit is not turned on.
PSU cooling fan 2 on LCT2 defective / connector disconnected
Harness damaged
PCB defective
PSU1 defective
Solution
In addition to checking for sensor/actuator defect by eye, also execute Input/Output Check as
necessary.
1. Reconnect the connector.
2. Replace the PSU cooling fan 2 on LCT2.
3. Replace the harness.
4. Replace the PCB.
5. Replace the PSU-BOX.
SC781-08
Error Name
LCT2: Vertical Transport Motor Cooling Fan Error (Vacuum Feed LCIT)
Pattern
B
Error Condition
Cooling fan alarm “H (error)” is detected while the vertical transport motor cooling fan on LCT2 is ON.
Major Cause
Power of downstream unit is not turned on.
Vertical transport motor cooling fan on LCT2 defective / connector disconnected
Harness damaged
PCB defective
Solution
In addition to checking for sensor/actuator defect by eye, also execute Input/Output Check as
To Next Page
Loading...
