Edwards STP-iXA3306CV - Transporting for Repair or Overhaul

STP-iXA3306 Series Turbomolecular Pump
MT-82E-001-H
Page 151
7
SAFETY FUNCTIONS
7.6 Troubleshooting
7.6.1 Indication of "FAILURE" LED (red)
The flashing pattern of the "FAILURE" LED (red) differs depending on the type of abnormality/error.
When two or more failures are detected simultaneously, a high-priority failure is indicated. Also, the
failure signal is output from the "X2 REMOTE" connector. If an abnormality/error is found, take
measures in accordance with Table 50 to Table 55.
No
Failure
"FAILURE" LED
indication
Priority
1
Power Failure
Overspeed, and other
Steady red
High
2
MOTOR Overheat
CNT Overheat
3 flashes in red
3
DRV Overload
2 flashes in red
4
Disturbance
1 flash in red
Low
Table 49 - Priority of failure signal
1 cycle
Disturbance
（1 flash in red）
OFF
↓Failure detection
"FAILURE" LED indication
X2 REMOTE output
ON
DRV Overload
（2 flashes in red）
MOTOR Overheat
CNT Overheat
（3 flashes in red）
Corresponding to
failure type
OFF
OFF
ON
ON
ON
OFF
放
FAILURE N.O OUT
(14)–(33)
OFF
ON
Power Failure
Overspeed
（steady in red）
ON
OFF
FAILURE N.C OUT
(15)–(33)
Figure 58 - Failure output
Note: The STP-Link (optional accessory) and the display unit (optional accessory) display an error
as a message. Also, the errors being detected can be read via serial communication.