Motion Control Engineering Nidec iControl, User Manual, Page: 251 / 453

6-66 Manual # 42-02-2223
Troubleshooting
Safety B DETS Level 2 Speed Fault, SPB DETS L2 SPEED FLT
Description: The car contacted the Down Emergency Terminal Switch while traveling at over 95% of contract
speed. This fault may be bypassed on the Diagnostics > Fault Bypass tab.
Car Reaction: Emergency stop: Motor contactor and brake contactor immediately dropped.
Troubleshooting:
1. The fault will automatically clear 5 seconds after the car stops. The car is then allowed to run again.
2. Check for the proper positioning of the DETS switch in the hoistway.
Safety B Fault Activated, SAFETY B FAULT
Description: Event logged and related car status messages displayed on OBD and iView if a fault is detected
by safety processor B but not by safety processor A.
Car Reaction: Emergency stop: Motor contactor and brake contactor immediately dropped. If the fault per-
sists, after a delay all calls are cancelled.
Troubleshooting:
1. Check the Event Log for other faults and information related to this fault.
Safety B Fault Deactivated (See: Safety B Fault Activated)
Safety B Fault Bypass Switch Timed Out
Description: Indicates that a fault bypass has timed out. (Bypasses are allowed for 15 minutes with the iBox
Fault/Function Bypass switch in the ON position.) On Inspection mode, this fault is bypassed indefinitely.
Car Reaction: Emergency stop: Motor contactor and brake contactor immediately dropped.
Troubleshooting:
1. To clear this fault, place the Fault/Function Bypass switch to the OFF position.
Safety B Inspection Leveling Overspeed Fault, SPB LOS FAULT
Description: The car exceeded the leveling overspeed limit (detected by safety processor B). This fault may
be bypassed on the Diagnostics > Fault Bypass tab.
Car Reaction: Emergency stop: Motor contactor and brake contactor immediately dropped.
Troubleshooting:
1. The fault will automatically clear 5 seconds after the car stops. The car is then allowed to move again.
2. Check the leveling overspeed parameter for proper setting (iView/Safety Config/General).
Safety B Inspection Overspeed Fault, SPB IOS FAULT
Description: Car has exceeded the inspection overspeed limit of 150 fpm (detected by safety processor B).
Car Reaction: Emergency stop: Motor contactor and brake contactor immediately dropped.
Troubleshooting:
1. The fault will automatically clear 5 seconds after the car stops. The car is then allowed to move again.
Safety B SIB Device Fault, SPB SIB DEVICE FAULT
Description: Safety Processor B has a problem writing Safety Ice Bus.
Car Reaction: Emergency stop: Motor contactor and brake contactor immediately dropped.
Troubleshooting:
1. Replace iBox. SAF Board damaged. Contact MCE.
Safety B SIB Device Fault Off (See: Safety B SIB Device Fault)
Safety B Safety Bypass Jumper Timed Out
Description: Safety Processor B has detected that Safety Bypass Jumper has been on for more than 15 min-
utes.
Car Reaction: The car will not be allowed to restart after the end of the current run.
Troubleshooting:
1. Remove the iBox Safety Bypass Jumper.
2. If more time is needed in the Safety Bypass mode, then reinstall Safety Bypass Jumper and the 15 min-
ute timer will restart.
Table 6.3 iControl Messages
iControl Messages