Freeflow Spas
Freeflow Spas Hot Tubs & Spas Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
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COL
Display shows COL and spa does not heat even though set temperature is higher than water temperature.
Cold Weather Protection / Economy Mode Indication
dr
Display shows dr or DR and spa shuts down; water may be warm or cool.
Dry Heater Protection Triggered
dy
Control panel shows dy or DY and heating is disabled.
Dry Heater Lockout
FLO
Control panel displays FLO and spa will not heat; jets may run briefly then shut off.
Low or No Water Flow Through Heater
FLO
FLO error appears intermittently, especially when jets are on high speed or after filter cycles.
Intermittent Flow Switch Activation
GFCI
GFCI trips immediately or shortly after spa is turned on; no other error on panel.
Ground Fault or Leakage Current Detected
HEAT
HEAT or HTR error; heater does not energize even though set temperature is higher than water temperature.
Heater Activation Failure
HL
HL or HIL displayed; spa shuts down or heater disabled.
High-Limit Trip (Overtemperature at Heater)
ICE
ICE or ICE PROTECT message; pumps run unexpectedly in cold weather.
Freeze Protection Mode Active
LOC
LOC or lock icon on display; buttons do not respond.
Panel Lock / Child Lock Enabled
OH
Display shows OH or OHH and spa shuts down; water feels very hot.
Overheat Condition Detected
P2
P2 error on dual-pump models; second pump does not start.
Jet Pump 2 Communication or Overload Fault
PF
PF or power failure message appears after an outage; spa settings may be reset.
Power Interruption Detected
PUMP
PUMP or P1 error; jets do not run when button is pressed.
Jet Pump 1 Failure or Overload
SE
SE or SENSOR error on display; spa may shut down or not heat.
General Sensor Error
SN1
SN1 error on topside panel; spa may not heat or may shut down.
Primary Temperature Sensor Failure
SN2
SN2 error displayed; spa may run but heater is disabled.
High-Limit Sensor Failure
— —
Display shows dashes or blank segments instead of temperature; spa may not heat.
Sensor Out of Range or No Temperature Reading
Symptom
Air bubbles constantly stream from jets even when air controls are turned off.
Air Induction Valve or Plumbing Leak
Symptom
Circulation pump is noisy, rattling, or grinding during operation.
Worn Circulation Pump Bearings or Debris in Impeller
Symptom
Cover straps or plastic components near the spa appear warped or discolored from heat.
Excessive Water Temperature or Localized Overheating
Symptom
Display is dim, flickering, or unreadable, but spa still runs.
Display Backlight or LCD Degradation
Symptom
Excessive vibration felt through the Freeflow spa shell when jets are on high.
Pump Vibration / Imbalance
Symptom
Freeflow spa trips the house breaker only when jets and heater run together.
Overcurrent Under Combined Load
Symptom
Jet pump hums but does not start; may trip breaker after a few seconds.
Seized Jet Pump Motor or Failed Start Capacitor
Symptom
Jets are weak or uneven; some jets barely flow even on high speed.
Reduced Jet Pressure
Symptom
Spa cabinet or shell feels unusually hot to the touch near the equipment bay.
Excessive Heat Build-Up in Equipment Compartment
Symptom
Spa heats but overshoots set temperature by several degrees before shutting off.
Temperature Regulation Drift
Symptom
Spa light does not turn on, but all other functions work.
LED Light or Light Circuit Failure
Symptom
Spa makes loud banging or knocking noises when jets are running.
Hydraulic Hammer or Loose Plumbing
Symptom
Spa runs but will not heat; water stays at or below ambient temperature.
No Heat Condition Without Error Code
Symptom
Spa water foams excessively when jets are on.
Foaming Water
Symptom
Spa will not power on at all; no lights or display on Freeflow control panel.
No Power to Spa System
Symptom
Strong chemical or plastic smell from spa water, irritating eyes and nose.
Water Chemistry Imbalance or Off-Gassing
Symptom
Topside control panel buttons are unresponsive or only some buttons work.
Keypad / Topside Control Failure
Symptom
Water appears cloudy or milky even after filtration cycles.
Cloudy Water / Suspended Particles
Symptom
Water is leaking from the equipment compartment under the Freeflow spa.
Equipment Bay Water Leak
Symptom
Water level drops over several days with no visible leak in equipment bay.
Hidden Plumbing or Jet Body Leak
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| COL |
Display shows COL and spa does not heat even though set temperature is higher than water temperature.
|
Cold Weather Protection / Economy Mode Indication | View Details |
| dr |
Display shows dr or DR and spa shuts down; water may be warm or cool.
|
Dry Heater Protection Triggered | View Details |
| dy |
Control panel shows dy or DY and heating is disabled.
|
Dry Heater Lockout | View Details |
| FLO |
Control panel displays FLO and spa will not heat; jets may run briefly then shut off.
|
Low or No Water Flow Through Heater | View Details |
| FLO |
FLO error appears intermittently, especially when jets are on high speed or after filter cycles.
|
Intermittent Flow Switch Activation | View Details |
| GFCI |
GFCI trips immediately or shortly after spa is turned on; no other error on panel.
|
Ground Fault or Leakage Current Detected | View Details |
| HEAT |
HEAT or HTR error; heater does not energize even though set temperature is higher than water temperature.
|
Heater Activation Failure | View Details |
| HL |
HL or HIL displayed; spa shuts down or heater disabled.
|
High-Limit Trip (Overtemperature at Heater) | View Details |
| ICE |
ICE or ICE PROTECT message; pumps run unexpectedly in cold weather.
|
Freeze Protection Mode Active | View Details |
| LOC |
LOC or lock icon on display; buttons do not respond.
|
Panel Lock / Child Lock Enabled | View Details |
| OH |
Display shows OH or OHH and spa shuts down; water feels very hot.
|
Overheat Condition Detected | View Details |
| P2 |
P2 error on dual-pump models; second pump does not start.
|
Jet Pump 2 Communication or Overload Fault | View Details |
| PF |
PF or power failure message appears after an outage; spa settings may be reset.
|
Power Interruption Detected | View Details |
| PUMP |
PUMP or P1 error; jets do not run when button is pressed.
|
Jet Pump 1 Failure or Overload | View Details |
| SE |
SE or SENSOR error on display; spa may shut down or not heat.
|
General Sensor Error | View Details |
| SN1 |
SN1 error on topside panel; spa may not heat or may shut down.
|
Primary Temperature Sensor Failure | View Details |
| SN2 |
SN2 error displayed; spa may run but heater is disabled.
|
High-Limit Sensor Failure | View Details |
| — — |
Display shows dashes or blank segments instead of temperature; spa may not heat.
|
Sensor Out of Range or No Temperature Reading | View Details |
| – |
Air bubbles constantly stream from jets even when air controls are turned off.
|
Air Induction Valve or Plumbing Leak | View Details |
| – |
Circulation pump is noisy, rattling, or grinding during operation.
|
Worn Circulation Pump Bearings or Debris in Impeller | View Details |
| – |
Cover straps or plastic components near the spa appear warped or discolored from heat.
|
Excessive Water Temperature or Localized Overheating | View Details |
| – |
Display is dim, flickering, or unreadable, but spa still runs.
|
Display Backlight or LCD Degradation | View Details |
| – |
Excessive vibration felt through the Freeflow spa shell when jets are on high.
|
Pump Vibration / Imbalance | View Details |
| – |
Freeflow spa trips the house breaker only when jets and heater run together.
|
Overcurrent Under Combined Load | View Details |
| – |
Jet pump hums but does not start; may trip breaker after a few seconds.
|
Seized Jet Pump Motor or Failed Start Capacitor | View Details |
| – |
Jets are weak or uneven; some jets barely flow even on high speed.
|
Reduced Jet Pressure | View Details |
| – |
Spa cabinet or shell feels unusually hot to the touch near the equipment bay.
|
Excessive Heat Build-Up in Equipment Compartment | View Details |
| – |
Spa heats but overshoots set temperature by several degrees before shutting off.
|
Temperature Regulation Drift | View Details |
| – |
Spa light does not turn on, but all other functions work.
|
LED Light or Light Circuit Failure | View Details |
| – |
Spa makes loud banging or knocking noises when jets are running.
|
Hydraulic Hammer or Loose Plumbing | View Details |
| – |
Spa runs but will not heat; water stays at or below ambient temperature.
|
No Heat Condition Without Error Code | View Details |
| – |
Spa water foams excessively when jets are on.
|
Foaming Water | View Details |
| – |
Spa will not power on at all; no lights or display on Freeflow control panel.
|
No Power to Spa System | View Details |
| – |
Strong chemical or plastic smell from spa water, irritating eyes and nose.
|
Water Chemistry Imbalance or Off-Gassing | View Details |
| – |
Topside control panel buttons are unresponsive or only some buttons work.
|
Keypad / Topside Control Failure | View Details |
| – |
Water appears cloudy or milky even after filtration cycles.
|
Cloudy Water / Suspended Particles | View Details |
| – |
Water is leaking from the equipment compartment under the Freeflow spa.
|
Equipment Bay Water Leak | View Details |
| – |
Water level drops over several days with no visible leak in equipment bay.
|
Hidden Plumbing or Jet Body Leak | View Details |
No matching codes found
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