GALaxy eHydro Elevator Controller Section 6 – Main CPU Faults & Detailed Faults
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Table 6-0: Main CPU Faults
Possible Cause/Suggested Fix
• Invalid load weigher table on power up. The load weigher
table will be re-initialized to zero and the load weigher must
be re-setup.
• If this error persists, the MRAM on the CPU board is faulty.
Replace the CPU board.
• Ignore this error if the load weigher is not being used.
• Lobby Common fuse blown. Check Input chip for LHC
Low Oil Pressure Fault.
The low oil pressure
switch has been
activated.
• Low oil in the tank.
• Faulty LOS input if low oil switch option is being used.
Replace the LOS input chip.
• Faulty Low Oil Switch. If low oil switch option is being
used.
• Verify the operation of the low oil switch.
Low Oil Switch Fault.
The low oil switch
became active
• Low oil in the hydraulic tank
• Faulty wiring to the low oil input
• Faulty low oil input. Replace LOS input.
Load Weigher
Calibration Error. The
load weigher
attempted to do an
automatic calibration
and could not be
calibrated.
• The load weigher device should be re- calibrated according
to the manufacturer’s instructions.
A fault was detected
in the Load weigher
load tables. The empty
load value was greater
than or equal to the
full load value at a
valid floor.
• The load weigher might not be calibrated properly
• The load weigher setup might have been interrupted
before being completed.
• Faulty load weigher device.
• The load weigher device is not setup.
• The load weigher data was not stored properly in the
MRAM memory or was not read in properly on power up.
• Invalid load weigher data read from or written to the SD
card during an SD card job setup read.
Machine Room Stop
Switch is Opened
• Turn off the Machine Room Stop Switch.• Faulty Machine
Room Stop Switch
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