The heat pump is in protection
mode.
The unit is on defrost
cycle.
In this case, there may be
a 5-minute delay before
restarting.
Digital display should indicate FS.
The compressor will automatically
start again a few minutes after the
display stops indicating FS.
The fan is running, but the compressor is not.
Pool pump is not running.
Filter is dirty, restricting
the water fl ow.
Turn the pool pump on.
Backwash and clean fi lter.
The heater is displaying “fl o” and it will not start.
Heat pump control set to OFF.
Desired water temperature
is reached.
Main breaker is tripped.
Raise temperature set point above
60°F (15°C).
Unit will automatically restart
when the water temperature goes
below the set point.
Reset main breaker and restart
heat pump.
The pool heater is not running.
Troubleshooting
18
OWNER’S MANUAL
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