33
8.
Trouble shooting chart
This trouble-shooting is carried out by qualified technicians only.
Problem
Possible reasons
Remedy
Unit does not work
Mains supply is not connected
Incorrect electrical connection or
power source
Check mains power, fuses and
reset
circuit
breaker
if
necessary
Unusual noise
increased
Solid particle or debris is coming
into the suction motor
Dismantle unit and clean the
impeller of the motor
Excessive
vibration
Damaged impeller
Motor and/or impeller are dirty
Dismantle unit and clean the
impeller of the motor
Unit is very hot
Wrong wiring
Low voltage
Suction inlet is clogged
Operating pressure or vacuum is
too high
Check wiring
Supply proper voltage
Clean primary filter
Install a relief valve and
pressure or vacuum gauge
Suction is too low
Suction inlet is clogged
Leaking problem in the suction
plumbing
Clean primary filter
Check all suction tubes, hoses
and connections.
Replace if necessary
Motor overload
Low voltage
Check power source
Check wire size and wire
connections
Summary of Contents for RAIN2+
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