Lifesmart Spas
Lifesmart Spas Hot Tubs & Spas Error Codes
Complete list of fault codes and troubleshooting guides. Use the search below to find your specific error.
Advertisements
COL
Display shows COL or COOL, heater does not run, spa indicates water is too cold to heat normally.
Cold Water Protection / Freeze or Low-Temperature Condition
dr
Display shows dr or DR, heater shuts off and spa may stop heating.
Dry Fire Protection / Inadequate Water in Heater
dY
Display shows dY or DY, spa indicates a dry or low-flow condition and disables heater.
Dry Heater / Low Flow Detected During Heating
EC
Display shows EC or ECO, spa heats less frequently and may not maintain high temperatures.
Economy Heating Mode Active
F1
Display shows F1 or FL1, low-speed pump or circulation pump runs continuously or not at all.
Filtration Cycle / Low-Speed Pump Fault
FLO
Display shows FLO or FL, heater will not turn on, jets may run briefly then stop, water is not heating.
Low Water Flow / Flow Switch Open
HL
Display shows HL or HLo, spa stops heating and may shut down pumps intermittently.
High-Limit Sensor Trip / Localized Overheat
Htr
Display shows HTR or HEAT ERR, heater does not operate correctly or shuts off prematurely.
Heater Circuit Error
ICE
Display shows ICE or ICE2, pumps may run automatically even when spa is not in use.
Freeze Protection Mode Active
LOC
Display shows LOC or lock icon, buttons do not respond or only limited functions work.
Panel Lock / Child Lock Enabled
OH
Display shows OH or OHH, spa shuts down, pumps may stop, water feels very hot near or above set temperature.
Overheat Condition Detected by High-Limit Sensor
P1
Display shows P1 ERR or P1, primary jet pump does not start or shuts off quickly.
Pump 1 Overload or Failure
P2
Display shows P2 ERR or P2, secondary jet pump does not run or trips breaker when activated.
Pump 2 Overload or Short
PF
Display shows PF or PFL, spa shuts down unexpectedly and may restart.
Power Failure / Brownout Detection
Prr
Display shows PRR or Prr, spa may not heat and may shut down pumps intermittently.
Pressure Switch or Flow Switch Error
SE
Display shows SE or SEr, spa may behave erratically or not respond to button presses.
Sensor or System Error / Control Pack Communication Fault
SLP
Display shows SLP or SLEEP, spa temperature drops between cycles and does not stay at set point.
Sleep Mode / Reduced Heating Operation
Sn1
Display shows Sn1 or SN1, spa may not heat or may shut down heating cycle.
Water Temperature Sensor (Thermistor) Fault
Sn2
Display shows Sn2 or SN2, spa may shut down heating and display incorrect water temperature.
High-Limit or Secondary Temperature Sensor Fault
— —
Display is blank or shows only dashes, spa does not respond to any button presses.
No Display / Control Panel Power Loss
Symptom
Air bubbles or gurgling noise from filter area when pump is running.
Air Ingestion / Suction Leak
Symptom
Control panel shows temperature but spa never reaches that temperature and shuts off heating early.
Sensor Placement / Stratification Issue
Symptom
Jets are weak or have very little pressure even though the pump is running.
Restricted Water Flow / Jet Performance Issue
Symptom
Jets turn off by themselves after running for a while, but spa otherwise works.
Automatic Pump Timeout / Overheat Protection
Symptom
One or more jets do not flow while others work normally.
Individual Jet Blockage or Failure
Symptom
Ozone indicator is on but there is no visible ozone bubbling in the spa.
Ozonator Failure or No Ozone Injection
Symptom
Pump runs but there is no water movement from the jets.
Air Lock or Pump Prime Loss
Symptom
Spa heats very slowly or cannot reach set temperature, especially in cold weather.
Insufficient Heating Capacity / Heat Loss
Symptom
Spa is leaking water from the equipment compartment or under the cabinet.
Plumbing Leak / Fitting Failure
Symptom
Spa lights do not work, but all other functions are normal.
LED Light Circuit Failure
Symptom
Spa makes loud humming or grinding noise from pump area when jets are on.
Pump Bearing or Motor Failure
Symptom
Spa shell surface around jets or controls is warm or hot to the touch even when heater is off.
Localized Overheating / Insulation or Plumbing Issue
Symptom
Spa trips the GFCI breaker immediately or within seconds of turning on.
Ground Fault / Electrical Short
Symptom
Spa vibrates excessively or rattles when pump is running.
Mechanical Vibration / Mounting Issue
Symptom
Spa water is cloudy, foamy, or has a strong odor despite filtration.
Water Quality / Filtration Inefficiency
Symptom
Spa will not heat, water stays cold even though jets run and set temperature is high.
Heater Element Failure
Symptom
Spa will not turn on at all, no lights or display, but GFCI appears reset.
No Power to Control Pack
Symptom
Topside control panel buttons do not respond or respond intermittently.
Keypad / Topside Control Failure
Symptom
Water is leaking from around the pump area specifically.
Pump Seal or Union Leak
Symptom
Water is too hot even though the set temperature is lower.
Temperature Overshoot / Sensor Calibration Issue
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| COL |
Display shows COL or COOL, heater does not run, spa indicates water is too cold to heat normally.
|
Cold Water Protection / Freeze or Low-Temperature Condition | View Details |
| dr |
Display shows dr or DR, heater shuts off and spa may stop heating.
|
Dry Fire Protection / Inadequate Water in Heater | View Details |
| dY |
Display shows dY or DY, spa indicates a dry or low-flow condition and disables heater.
|
Dry Heater / Low Flow Detected During Heating | View Details |
| EC |
Display shows EC or ECO, spa heats less frequently and may not maintain high temperatures.
|
Economy Heating Mode Active | View Details |
| F1 |
Display shows F1 or FL1, low-speed pump or circulation pump runs continuously or not at all.
|
Filtration Cycle / Low-Speed Pump Fault | View Details |
| FLO |
Display shows FLO or FL, heater will not turn on, jets may run briefly then stop, water is not heating.
|
Low Water Flow / Flow Switch Open | View Details |
| HL |
Display shows HL or HLo, spa stops heating and may shut down pumps intermittently.
|
High-Limit Sensor Trip / Localized Overheat | View Details |
| Htr |
Display shows HTR or HEAT ERR, heater does not operate correctly or shuts off prematurely.
|
Heater Circuit Error | View Details |
| ICE |
Display shows ICE or ICE2, pumps may run automatically even when spa is not in use.
|
Freeze Protection Mode Active | View Details |
| LOC |
Display shows LOC or lock icon, buttons do not respond or only limited functions work.
|
Panel Lock / Child Lock Enabled | View Details |
| OH |
Display shows OH or OHH, spa shuts down, pumps may stop, water feels very hot near or above set temperature.
|
Overheat Condition Detected by High-Limit Sensor | View Details |
| P1 |
Display shows P1 ERR or P1, primary jet pump does not start or shuts off quickly.
|
Pump 1 Overload or Failure | View Details |
| P2 |
Display shows P2 ERR or P2, secondary jet pump does not run or trips breaker when activated.
|
Pump 2 Overload or Short | View Details |
| PF |
Display shows PF or PFL, spa shuts down unexpectedly and may restart.
|
Power Failure / Brownout Detection | View Details |
| Prr |
Display shows PRR or Prr, spa may not heat and may shut down pumps intermittently.
|
Pressure Switch or Flow Switch Error | View Details |
| SE |
Display shows SE or SEr, spa may behave erratically or not respond to button presses.
|
Sensor or System Error / Control Pack Communication Fault | View Details |
| SLP |
Display shows SLP or SLEEP, spa temperature drops between cycles and does not stay at set point.
|
Sleep Mode / Reduced Heating Operation | View Details |
| Sn1 |
Display shows Sn1 or SN1, spa may not heat or may shut down heating cycle.
|
Water Temperature Sensor (Thermistor) Fault | View Details |
| Sn2 |
Display shows Sn2 or SN2, spa may shut down heating and display incorrect water temperature.
|
High-Limit or Secondary Temperature Sensor Fault | View Details |
| — — |
Display is blank or shows only dashes, spa does not respond to any button presses.
|
No Display / Control Panel Power Loss | View Details |
| – |
Air bubbles or gurgling noise from filter area when pump is running.
|
Air Ingestion / Suction Leak | View Details |
| – |
Control panel shows temperature but spa never reaches that temperature and shuts off heating early.
|
Sensor Placement / Stratification Issue | View Details |
| – |
Jets are weak or have very little pressure even though the pump is running.
|
Restricted Water Flow / Jet Performance Issue | View Details |
| – |
Jets turn off by themselves after running for a while, but spa otherwise works.
|
Automatic Pump Timeout / Overheat Protection | View Details |
| – |
One or more jets do not flow while others work normally.
|
Individual Jet Blockage or Failure | View Details |
| – |
Ozone indicator is on but there is no visible ozone bubbling in the spa.
|
Ozonator Failure or No Ozone Injection | View Details |
| – |
Pump runs but there is no water movement from the jets.
|
Air Lock or Pump Prime Loss | View Details |
| – |
Spa heats very slowly or cannot reach set temperature, especially in cold weather.
|
Insufficient Heating Capacity / Heat Loss | View Details |
| – |
Spa is leaking water from the equipment compartment or under the cabinet.
|
Plumbing Leak / Fitting Failure | View Details |
| – |
Spa lights do not work, but all other functions are normal.
|
LED Light Circuit Failure | View Details |
| – |
Spa makes loud humming or grinding noise from pump area when jets are on.
|
Pump Bearing or Motor Failure | View Details |
| – |
Spa shell surface around jets or controls is warm or hot to the touch even when heater is off.
|
Localized Overheating / Insulation or Plumbing Issue | View Details |
| – |
Spa trips the GFCI breaker immediately or within seconds of turning on.
|
Ground Fault / Electrical Short | View Details |
| – |
Spa vibrates excessively or rattles when pump is running.
|
Mechanical Vibration / Mounting Issue | View Details |
| – |
Spa water is cloudy, foamy, or has a strong odor despite filtration.
|
Water Quality / Filtration Inefficiency | View Details |
| – |
Spa will not heat, water stays cold even though jets run and set temperature is high.
|
Heater Element Failure | View Details |
| – |
Spa will not turn on at all, no lights or display, but GFCI appears reset.
|
No Power to Control Pack | View Details |
| – |
Topside control panel buttons do not respond or respond intermittently.
|
Keypad / Topside Control Failure | View Details |
| – |
Water is leaking from around the pump area specifically.
|
Pump Seal or Union Leak | View Details |
| – |
Water is too hot even though the set temperature is lower.
|
Temperature Overshoot / Sensor Calibration Issue | View Details |
No matching codes found
Advertisements