Pump and motor noisy
Water leakage from shaft of the pump
(rotating joint between the pump and the
motor)
The motor does not start
The motor stops
The heat pump does not work
Filters clogged
Water leakage on suction
Low water level
Motor bearings worn or faulty
The impeller rubs against the pump body
Solid dirty in the pump
Pump mechanical seal worn or defective
No power
Main switch has tripped
Voltage too low
Circuit breaker has tripped
Incorrect or faulty connections
Shaft and impeller blocked
Motor windings burnt
Faulty contact on motor start-up
The function has ended
Overload
Power supply cables not suitable
No power
one of the causes of malfunction may be
incorrect setting of the B2 switch bench
(dipswitch no. 2)
Insufficient level of water in the tank (mes-
sage LL, L1 or L2 shows on the display)
Main switch has tripped
Circuit breaker has tripped
Faulty motor
41
Clean the filters
Find and repair leaks
Add water up to the normal level
*
*
*
*
Turn on the mains switch
Turn on switch
Contact an electrician or the organization
that provides electricity
Reset breaker
*
*
*
*
Press the key
or
again
Let the motor cool, the problem should
disappear. If it persists, see *
Consult an electrician
Turn on the main switch
Refer to the "Electrical Connections and
Safety" section.
Add water to the hot tub until the mes-
sage on the display disappears
Turn on switch
Reset breaker
*