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Reset faults other than F130 and F131 may indicate a defective SRU board or mis-programmed
software.
For F129, or F132 – F136, contact Smartrise as this may indicate a bad board or software.
A derailment of the counterweight was detected
The controller detected a loss of power on the counterweight input.
Do not attempt to run the car if you are uncertain about the status of the counterweight. Until
this fault is reset, the car can only be run on Cartop Inspection.
Once the counterweight has been confirmed as safe, you can reset this fault with the
Earthquake Reset switch. If your controller is not configured for Earthquake Operation then
resetting the machine room SRU board with DIP switch 1 on will clear this fault.
If this fault occurred erroneously, check the counterweight derailment (“ring and string”)
circuit. Verify the grounding ring does not touch the wire at any point as the car moves.
Construction input powered without Machine Room Inspection
The Construction input (MR.523) is powered but the machine room inspection switch is in the
“automatic” position.
If you are trying to run the car on Construction mode, turn the machine room inspection
switch to the “inspect” position.
If you are trying to run the car on standard inspection or automatic, remove the jumper wire
from input 523 on the Machine Room SRU board.
The controller detected a loss of power on the governor input. The controller monitors the
electrical contact on the governor. This contact will normally open before the mechanical
safeties engage.
Check the fault log to see what speed the car was at when the fault was recorded. If the car
was over speeding this could indicate a defective drive.
Over speeding can also occur if the drive is not properly configured. Try running the car on
inspection and verify that the FPM speed feedback tracks the CMD speed. If it does not, check
the drive parameters starting with the RPM value of DRIVE A1 | CONTRACT MTR SPD.
If this fault occurred while the car was stopped or at low speed, it could be a problem with the
governor switch or wiring.