dooch NSQ Series, Руководство пользователя

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Reset of fault and alarm
Cause of Fault and Reaction
In case of fault or alarm, FND shows Pr-80.
To reset in Pr-group, Press twice.
To reset in St-group, Press once.
In case of Er-01, Er-02, Er-04(Low Level Sensor Alarm), If cause is resolved, it reset
and restart automatically. In case of reset without resolving cause, it alarm again.
Troubleshooting
Drive
Er-01 ( Pressure Sensor Error-tSF )
Cause Reaction
Sensor Error
Drive Mulfunction
Replace sensor.
Replace drive.
Sensor Terminal Wiring Check sensor terminal wiring or comm.. ID setup incase of interoperation.
Er-02(High Pressure Alarm-tOP)
Cause
In case the current pressure increases more than 2bar than the pressure setting during operation, operation will stop
after elapsed High Pressure Alarm Time (Pr-72) and the alarm lamp will be turned on.(It may occur on temporary
installation site or trial run test.)
Reaction
Check the setup pressure and high pressure alarm level.
When the current pressure goes down under the high pressure alarm setting, the
drive will recover automatically.
Er-03 ( Low Pressure Alarm-tLP )
Cause
The alarm will be generated when the current operation pressure is maintained under the low pressure alarm
level. It starts automatically after Automatic Restart Time (dr-38) from trip. However, if it repeats more than
No. of Automatic Restart after Trip (dr-37), it does not restart anymore to protect motor and drive.
Reaction
Check if the water tank (water reservoir) is filled with water.
Check if the air enters into the pump.
Check if there is any water by opening air cock of pump.
After releasing error by pressing key, press key to start the pump.