Kokido K2O K880BX/EU, Owner'S Manual & Installation Manual

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6. Troubleshooting and Solution
SYMPTOM CORRECTIVE ACTION
Heat pump will not
start, no control
board display
Breaker or fuse may be tripped. Reset breaker or check fuse. If heat pump
still does not run
，
call for service. Three-phase models only the phases may
be reversed or there may be a loss of phase, call for service.
Heat pump will not
start, control board
display working
Heat pump may be in delay count down of 3 minutes. Make sure control
board thermostat is calling for heater to come on (check setting on
thermostat and temperature reading).Make sure heat pump is not in cooling
mode.
Heat pump runs but
does not heat
Verify cold air is blowing out the top of the heat pump. If the heat pump has
just been installed or if the pool water has been allowed to cool significantly,
it is necessary to run the heat pump continually, it is necessary to run the
heat pump continually for 24-48 hours. If the heat pump has been in
operation for some time, increase the circulating pump time, or switch the
control board to maintain Heat function. If heating a spa, verify no air intake
stand pipes are open. If heat pump still does not heat, call for service.
Heat pump leaking
water
Possible heat exchanger or plumbing leak. Turn the heat pump off, then
turn circulating pump off for at least one hour to see if the water leak stops.
If the water leak stops. Normal condensation is occurring. If the water leak
continues, after the heat pump is shut off for at least one hour, call for
service.