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B1
B2
B3
Description
Pump is running at normal performance.
Explanation
Pump has been stopped due to fault and has restarted automatically.
The fault may be due to fault in the GENI module or the LON module.
Check/remedy
1.
Is the GENI module connected?
YES:
NO:
Proceed to points 2, 3 and 4.
Proceed to point 5.
2.
Short-circuit terminals MAX - .
Is the MAX diode on?
YES:
NO:
GENI module is OK.
Replace the GENI module.
3.
Short-circuit terminals MIN - .
Is the MIN diode on?
YES:
NO:
GENI module is OK.
Replace the GENI module.
4.
Change the signal to the 0-10 V input.
Does the pump change speed accordingly (listen to the pump)?
YES:
NO:
GENI module is OK.
Replace the GENI module.
5.
LON module is connected.
Get assistance from the LON system administrator to change the operating conditions of the pump.
Does the pump react to this?
YES:
NO:
LON module is OK.
Replace the LON module.
Description
Pump is running at normal performance.
Explanation
The fault may be that setpoint changes cannot be stored.
Check/remedy
Change the setpoint by means of the operating buttons.
Is the new setting saved when the supply voltage is switched off (the pump is completely off) and then switched
on again?
YES:
NO:
Setpoint function is OK.
Replace the terminal box.
Description
The pump is running at reduced performance and cannot be controlled.
Explanation
No signal is registered from the HALL sensor in the stator.
Check/remedy
Test the HALL sensor in the stator by means of a multimeter according to the description under
C1
.
Sensor OK?
YES:
NO:
Replace the terminal box.
Replace the stator.
