STP-iX455/iXL455 Series Instruction Manual
12-1
Troubleshooting
12 WARNING Function
12.1 WARNING Function
The STP pump is provided with a WARNING function when an overhaul is needed
following a self-test as shown in Table 12.1.
The type of warning is indicated by flashing pattern of the "FAILURE" LED (orange).
When two or more warnings are detected simultaneously, a high-priority warning is
indicated. Also, the warning signal is output from the "X2 REMOTE" connector.
The serial communication, the STP-Link (optional accessory), or the display unit
iDT-001 (optional accessory) can confirm the error message, and change the settings.
Refer to Section 9, "Serial Communication Protocol" or each Instruction Manual of the
optional accessories for details.
Table 12.1 WARNING Function
No
Warning "FAILURE" LED Indication Priority
1
Damage Limit
(Touch down bearing
warning function)
3 flashes in orange High
2
Pump Run Time Over
(Pump runtime warning
function)
2 flashes in orange
3
Imbalance
(Excessive imbalance
warning function)
1 flash in orange Low
1 cycle
Imbalance
(1 flash in orange)
OFF
↓
Warning detection
"FAILURE" LED indication
X2 REMOTE output
ON
Damage Limit
Corresponding to
OFF
OFF
ON
ON
Open
WARNING N.O OUT
between (10)–(22)
Figure 12.1 WARNING Output
◇ The WARNING detection cannot be reset by the "RESET" operation.
See Section 12.3, "WARNING Function Setting" for the releasing the WARNING
detection.
◇ The STP pump can operate even when the WARNING is detected.
Overhaul the STP pump when WARNING detection is indicated.
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