TROUBLESHOOTING FLOWCHART
Heat Pump Fails to Operate
Yes
Display isilluminated.If "FLO"Displaydisplayilluminateded, .If check"FLO"to beis displaysure thed, circulatingcheck to bepumpsureisthe operatingcirculatingndthepumpf ilteris isopcleratingan.Thereandmaythe f ilter 
alsois cleanbea. vTherealv may positionedalso incorrectlybea v alv .
Bepositionedcertain wateincorrectlyis . f lowingBecertainthroughwaterthe is
f lowingheaterthrough. the
heater.
Yes
Yes
Problem
Problem
Solved.
Solved.
(Verif y water temperature(Verifywater
settingstemperatureare as settingsdesired.are) as
desired.)
START
IstheDisplay Illuminated?,
Is the heater operating correctly ?
Is theheater operating correctly ?
Yes
No
If not, ensure themain breakerIf not,(locatedensure theat themain powbreakersupply(locatedpanel)at the andpowerthe disconnectsupplypanel)
switchand(locatedthe disconnectnear theswitchheat pump)(locatedarenear
boththe heatturnedpump)ON. are both turnedON.
No
Is the Poolor Spa
thermostatIs selectedPoolor Spaf or thethermostatcorrect bodyselectedof f or waterhetocorrbectheated,body of andwaterhav etoybeou triedheated, selectingand havaehighey ou tried tempselectingraturesetting?a higher
temperaturesetting?
No
The heater is equipped Thewithheatf iverminuteis equipped delaywith. Waitf iv ate minuteleast
fiv delayminutes.Waittoatllowleast thefivtimerminutestoresetto .allow thetimer toreset.
Is theunit operating correctly ?
No
Contact
Contact
AquaCal
AquaCal
for Assistance at for Assistance at
27
