35
SPA TROUBLESHOOTING
TROUblEShOOTINg
(CIMA
™
& lINA
™
SPA MOdElS)
If your spa doesn’t seem to be working the way you believe it should, please review the “START-UP” and “OPERATION” instructions in this manual. If this doesn’t help
you correct the problem, follow the appropriate instructions below. If the problem still is not resolved, call your Caldera
®
dealer.
GENERAL OPERATION TROUBLESHOOTING GUIDE
Problem
Probable causes
Solutions
Entire spa is inoperative.
• Power failure / not plugged in
• GFCI tripped
• Check power source
• Reset GFCI; call for service if it will not reset.
Spa does not heat; jets
and light operate. Display
reads FLO
• Pressure switch is open and should be closed
• Check for clogged filter. The pressure switch will reset when the flow
of water through the heater has been restored. Call for service if the
pressure switch trips frequently.
Spa does not heat; jets
and light operate. Display
reads FLC
• Pressure switch senses flow through heater
even though the jet pump is off
• Contact an Authorized Service Technician
Jets weak or surging
• Spa water level too low
• Filters clogged / suction screens clogged
• Jet nozzles closed / Air valve closed
• Add water
• Clean filters / Clean suction screens
• Open jet nozzles / Open air valve
Light inoperative
• Bad connection
• Contact an Authorized Service Technician
Display reads HL
(Entire spa is inoperative.)
• Heater high limit thermostat tripped
• Disconnect power to the spa for at least thirty seconds to reset the heater
high-limit. If tripping continues, clean the filter, then if tripping still occurs,
call for service.
Water temperature
significantly different from
display temperature.
• System Controls
• Contact an Authorized Service Technician
After filling or refilling
the spa: a jet pump is
operating, but water is not
flowing from any of its jets.
•
Pump is not properly primed.
1. Turn off power to the spa at the breaker and remove the equipment
compartment door (as seen on page 36).
2. Loosen the union on the top of the pump(s) (as seen on page 36) to
allow the air to escape, the hand-tighten the union(s).
3. Turn power back on, activate the pump and check to make sure union
is tight enough to keep it from leaking. Re-install pump and equipment
doors.
Summary of Contents for Caldera Spa Vacanza Series
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