Fault Codes Reset; Fault History; Service And Maintenance; Routine Inspection - Grundfos RSI Series Installation And Operating Instructions Manual

6.2 Fault codes reset

When a fault appears and the RSI stops, examine
the cause of fault, perform the actions advised in
section 6.1 and reset the fault as instructed below.
1. With a long (1 s) press on the Reset button on
the keypad or
2. By entering the Diagnostics Menu (M4), entering
Reset faults (M4.2) and selecting Reset faults
parameter.
3. For keypad with LCD display only: By selecting
value Yes for the parameter and clicking OK.

6.3 Fault history

The inverter will record the forty most recent fault
codes. Searching this information will help
investigate the fault cause. Fault information is
stored together with additional informationsin the
fault history menu.
Check the fault cause thoroughly and
remedy it before resetting. If it cannot be
Caution reset or persists after resetting, check the
cause again as continuous resetting will
damage the inverter.
In case of overload and overheat
Caution protection, delay the resetting for 5
minutes.
20

7. Service and maintenance

Warning
Maintenance and inspection must be
performed by a qualified electrician.
Do not dismantle the inverter when it is
running. The inverter must be powered off
at least 5 minutes before conducting
maintenance and inspection.
It is absolutely forbidden for unauthorised
persons to repair the inverter as this can
cause personal injury or equipment
damage.
Any service performed on the inverter by
Note
unqualified staff will void the warranty.

7.1 Routine inspection

To ensure the inverter runs stably, carry out an
annual inspection.
7.1.1 Inspection and maintenance requirements
Warning
The inspection must be performed by
trained and qualified technical staff.
Disconnect the power supply to the
inverter before starting inspection
1. If it is necessary to conduct an insulation test on
the inverter, all input and output terminals must
have a proper short-circuit. Insulation tests must
not be performed on a single terminal. Use a 500
V mega ohm meter to conduct the test.
Do not use the mega ohm meter to test the
Caution
control circuit.
2. When conducting an insulation test on the motor,
dismantle the connection between motor and
inverter.