11
Problem
Cause
Solution
Nothing happens when the
thermostat is turned on.
Low flow
1. Check filter, skimmer basket, pump.
2. If a 2-speed pump is used, turn to high speed.
3. Press and hold the knob for 5-seconds. Make sure
the flow rate displayed on screen is at least 15 gpm
(57 lpm).
High limit has tripped
Push the reset button on the limit.
Thermostat not calling for heat Turn thermostat to higher temperature.
It takes a long time to heat the spa.
Low input voltage
Call the electric company.
Undersized heater
Calculate temperature in heat rise
°/hr. = Heater input (kw) x 410 divided by spa
gallonage (This does not take into account heat loss
due to weather).
Heat loss from poor weather
conditions (cold, high winds)
Use an spa cover.
Defective heating element
Call an electrician.
Spa does not reach temperature.
Low flow
Check filter, skimmer basket, pump.
Heating element continuously
burning out.
High input voltage
Call the electric company.
Poor water chemistry
See "WATER CHEMISTRY" on page 4.
Heating element split open
Over-acid condition. Watch pH, add acid slowly.
Fuses blow or circuit breaker opens.
Shorted heating elements
Replace element.
Undersized wire
Replace field wiring.
13. TROUBLESHOOTING
IN REVIEW
UNCONTROLLED DOCUMENT IF PRINTED
