254 of 282
M-SV-001-EN Rev. G
Figure 5-3 Bearing Calibration Flow
A
Create a calibration
report but do
not
save calibration to
EEPROM
Successful
recalibration. Return
compressor to
normal operation
Verify the bearing
sensors. Refer to
Section 4.28.3
“Verification”
Verify the PWM
If the bearings still
cannot be calibrated,
the shaft is
obstructed and the
compressor must be
replaced
Create a calibration
report, Save to
EEPROM, Validate,
create another report
Start
Begin bearing
calibration
Could shaft run and
levitate without issue
prior to
calibration?
No
Yes
Does shaft levitate after
Save to EEPROM?
Yes
Does shaft levitate after
Save to EEPROM?
No
Start Calibration, save
to EEPROM, Validate,
create report, cycle
power
Yes
No
No – Repeat up to 3 times
End
Bearings pass?
Bearing sensors pass?
PWM pass?
Yes
Replace compressor
Yes
Replace compressor
Replace PWM
Yes
No
No
No
A
Have you performed an
additional calibration?
Yes
Repeat calibration
process
No
Verify the bearings.
Refer to Section
5.3.3.1 “Bearing
Verification”
End
Return compressor to
normal operation
Summary of Contents for Turbocor TTS Series
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