[CHAPTER 7 CAUSE OF FAULT AND REACTION]
7-2 |
DOOCHPUMP
7.2 Reset of fault and alarm
ㆍIn case of fault or alarm, FND shows Pr-80.
ㆍTo reset in Pr-group, Press twice.
ㆍTo 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.
7.3 Cause of Fault and Reaction
Er-01 (Pressure Sensor Error-tSF)
Cause
ㆍ Sensor Error
ㆍ Drive Error
ㆍ Sensor Terminal Wiring
ㆍ In case of multi-drive operation, Comm. ID not set up
Reaction
ㆍ Replace sensor.
ㆍ Replace drive.
ㆍ Check sensor terminal wiring or comm.. ID setup incase of interoperation.
Related Function Function Name Ref. Page
Pr-50 CAN Communication Mode 6-10
Pr-51 Communication ID
Pr-52 CAN Communication Speed
6-10~11
Er-02 (High Pressure Alarm-tOP)
Cause
ㆍ 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
ㆍ Check setup pressure and high pressure alarm level.
When the current pressure goes down under the high pressure alarm setting, the drive will be
recovered automatically.
Related Function Function Name Ref. Page
Pr-70 High Pressure Alarm Level
Pr-72 High Pressure Alarm Time
6-12
6-13
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