Operating instructions

Troubleshooting
43
Troubleshooting - Mechanical Systems
Problem Possible Cause Solution
Pump(s) will not start “T” valve(s) not open Check both “T” valves on all pumps.
Be sure valve is open by pulling
Up on handle until detent click is
felt. Detent prevents valve from
vibrating shut.
Pump(s) not primed Open suction side pump union
until water begins to trickle.
Frozen pump impeller Use hairdryer to warm pump
volute in area of drain plug.
Keep hairdryer 6 inches from
volute and heat using a side to
side motion. Do not allow volute
to become hot to the touch.
Spa Pump(s) surging Air being pulled through If spa is equipped with a Skimmer
basket, it should be all the way
down. Door should move freely.
Water level low Fill spa to recommended level.
No Water Pressure in Water not being Diverted Turn diverting whirlpool jet
Sections of the Spa Correctly or valve to divert water.
Pump not on Turn on correct pump.
Refer to “pump(s) will not start” (above)
Water temperature is 3 or more above
set temperature - wait to cool
Jets not Open Turn jets counter-clockwise
to open.
Spa Not Heating (Heat Icon On) 1. Pump(s) not on 1. Refer to “pump(s) will not start” (above)
(TS 702 Series Control Panels) 2. Closed T Valve 2. Lift T Valve up so it is all the way
or open to allow water to go through it.
Heat Indicator Bulb on 3. Spa maybe in Economy Mode 3. Put spa in STD mode. See special
(D Series Control Panels) (Icon/Bulb Not On) operating instructions.
4. Dirty Filters 4. Replace filters with clean or new filters.
5. Pump Malfunction 5. Repair or replace pump.
6. Inadequate Water Level 6. Add water until it reaches proper level.
7. Heater Malfunction 7. Replace heater.
Circulation Pump Not Working 1. Water Temperature is 3° or 1. Open cover and wait for spa to cool. If
more above set temperature. spa is equipped with a blower, turn it on.
Note: All spas come with special operating instructions. These may help with troubleshooting. Special Operating Instructions may
be downloaded at www.thermospas.com/service.
Troubleshooting
42
Common Reminder Messages
Troubleshooting Code Frequency Action Required
rPH Every 7 days Test and adjust pH levels per
manufacturer’s instructions.
rSA Every 7 days Test and adjust sanitizer levels
per manufacturer’s instructions.
rCL Every 30 days Remove, Clean and reinstall filter
per manufacturers instructions.
rt9 Every 30 days Test & reset GFCI per manual
instructions.
Rdr Every 90 days Drain and refill spa or test TDS level
to see if water needs to be replaced.
rCO Every 180 days Clean and condition cover per
manufacturer’s instructions.
rtr Every 180 days Clean and condition wood per
manufacturer’s instructions.
rCH Every 365 days Install new filter.