Everlast Spas
Everlast 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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COd
Display shows COd or COLD and spa will not start normal heating until temperature rises.
Cold Start Protection
COL
Display shows COL or COOL and heater does not run; pumps may operate normally.
Cold Water Protection / Cool Mode
dE
Display shows dE or DE and spa may not respond to keypad inputs.
Keypad Communication Error
dr
Display shows dr or DR and heater shuts off; spa may show low heat or no heat.
Dry Fire / Inadequate Water in Heater
dY
Display shows dY or DY after dr; spa will not heat until reset.
Persistent Dry Heater Lockout
EC
Display shows EC or ECO and spa heats less frequently; temperature may drop between cycles.
Economy Mode Active
FLC
Display shows FLC (flow closed) even when pump is off; spa may not heat or may shut down.
Flow Switch Stuck Closed
FLO
Display shows FLO and spa will not heat; circulation pump may run briefly then stop.
Low Water Flow / Flow Switch Open
GFCI
Display is blank and external GFCI indicator shows tripped; spa will not power on.
Ground Fault Interruption
HL
Display shows HL or HLo and spa shuts down; heater may stop and pumps may be disabled.
High Limit Overheat Trip
ICE
Display shows ICE or IC and pumps run automatically; heater may cycle to prevent freezing.
Freeze Protection Mode
LOC
Display shows LOC or LOCK and buttons do not respond.
Panel Lock / Child Lock Enabled
OH
Display shows OH or OHH and spa shuts down completely; water may feel excessively hot.
Spa Water Overheat Condition
OHt
Display shows OHt or OHT and spa shuts down heater and possibly pumps.
Heater Tube Overheat
P1
Display shows P1 error and Pump 1 will not start or runs erratically.
Pump 1 Drive or Overload Fault
P2
Display shows P2 error and Pump 2 does not operate or trips breaker.
Pump 2 Drive or Overload Fault
PF
Display shows PF or PFL and spa will not run; may occur after a power outage.
Power Failure / Low Line Voltage Detected
Prr
Display shows Prr or PR and spa may not heat; pumps may run normally.
Pressure Switch or Flow Verification Error
PSH
Display shows PSH or PSH1 and spa may shut down heater.
Pressure Switch Stuck High / Closed When It Should Be Open
PSo
Display shows PSo or PSO and spa may not start heating cycle.
Pressure Switch Stuck Open
rE
Display shows rE or RE and spa may reboot or lose settings.
Internal Control Pack Reset / EEPROM Error
SE
Display shows SE or SEr and controls may be unresponsive or behave erratically.
Sensor Error / Sensor Out of Range
SLP
Display shows SLP or SL and spa only heats during filter cycles; water may feel cooler than set point.
Sleep Mode Active
Sn1
Display shows Sn1 or SENS1 and spa may not heat or may shut down.
Primary Temperature Sensor Fault
Sn2
Display shows Sn2 or SENS2 and spa may not heat or may shut down.
High-Limit or Secondary Sensor Fault
Symptom
Air controls (venturis) do not introduce air; jets feel flat even with air knobs open.
Air Induction Failure
Symptom
Excessive vibration or rattling from spa cabinet when jets are on high speed.
Mechanical Vibration / Imbalanced Pump
Symptom
Jets are weak or no water comes out of jets even though pump is running.
Restricted Water Flow / Air Lock
Symptom
Loud humming from pump but no water movement; pump may trip breaker after a short time.
Seized Pump Motor or Impeller Obstruction
Symptom
Ozonator indicator is on but no bubbles appear from ozonator jet.
Ozone Injection Failure
Symptom
Persistent foamy water even after rinsing filters; foam increases when jets are on.
Water Chemistry Imbalance / Contamination
Symptom
Some or all jets do not light up; LED lighting is dim, flickering, or off.
LED Lighting Circuit Failure
Symptom
Spa makes loud banging or knocking noises when pumps start or stop.
Water Hammer / Loose Plumbing
Symptom
Spa runs but water slowly loses heat and never reaches set temperature.
Insufficient Heating Capacity / Heat Loss
Symptom
Spa shell surface around jets shows discoloration, scaling, or roughness.
Scale and Mineral Deposit Buildup
Symptom
Spa trips breaker immediately or within a few seconds of turning on.
Short Circuit or Ground Fault in Major Component
Symptom
Spa will not heat; water stays at or near ambient temperature even though pumps run.
Heater Element Failure
Symptom
Strong chemical or musty odor from spa water.
Poor Sanitation / Biofilm Growth
Symptom
Topside buttons respond intermittently or require very hard presses.
Worn or Contaminated Keypad
Symptom
Topside control panel is blank but GFCI/breaker is not tripped.
No Low-Voltage Power to Keypad
Symptom
Water around headrests or under cover when spa is not in use.
Condensation or Minor Splash Leakage
Symptom
Water leaking from under the spa cabinet or around equipment bay.
Plumbing or Component Leak
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| COd |
Display shows COd or COLD and spa will not start normal heating until temperature rises.
|
Cold Start Protection | View Details |
| COL |
Display shows COL or COOL and heater does not run; pumps may operate normally.
|
Cold Water Protection / Cool Mode | View Details |
| dE |
Display shows dE or DE and spa may not respond to keypad inputs.
|
Keypad Communication Error | View Details |
| dr |
Display shows dr or DR and heater shuts off; spa may show low heat or no heat.
|
Dry Fire / Inadequate Water in Heater | View Details |
| dY |
Display shows dY or DY after dr; spa will not heat until reset.
|
Persistent Dry Heater Lockout | View Details |
| EC |
Display shows EC or ECO and spa heats less frequently; temperature may drop between cycles.
|
Economy Mode Active | View Details |
| FLC |
Display shows FLC (flow closed) even when pump is off; spa may not heat or may shut down.
|
Flow Switch Stuck Closed | View Details |
| FLO |
Display shows FLO and spa will not heat; circulation pump may run briefly then stop.
|
Low Water Flow / Flow Switch Open | View Details |
| GFCI |
Display is blank and external GFCI indicator shows tripped; spa will not power on.
|
Ground Fault Interruption | View Details |
| HL |
Display shows HL or HLo and spa shuts down; heater may stop and pumps may be disabled.
|
High Limit Overheat Trip | View Details |
| ICE |
Display shows ICE or IC and pumps run automatically; heater may cycle to prevent freezing.
|
Freeze Protection Mode | View Details |
| LOC |
Display shows LOC or LOCK and buttons do not respond.
|
Panel Lock / Child Lock Enabled | View Details |
| OH |
Display shows OH or OHH and spa shuts down completely; water may feel excessively hot.
|
Spa Water Overheat Condition | View Details |
| OHt |
Display shows OHt or OHT and spa shuts down heater and possibly pumps.
|
Heater Tube Overheat | View Details |
| P1 |
Display shows P1 error and Pump 1 will not start or runs erratically.
|
Pump 1 Drive or Overload Fault | View Details |
| P2 |
Display shows P2 error and Pump 2 does not operate or trips breaker.
|
Pump 2 Drive or Overload Fault | View Details |
| PF |
Display shows PF or PFL and spa will not run; may occur after a power outage.
|
Power Failure / Low Line Voltage Detected | View Details |
| Prr |
Display shows Prr or PR and spa may not heat; pumps may run normally.
|
Pressure Switch or Flow Verification Error | View Details |
| PSH |
Display shows PSH or PSH1 and spa may shut down heater.
|
Pressure Switch Stuck High / Closed When It Should Be Open | View Details |
| PSo |
Display shows PSo or PSO and spa may not start heating cycle.
|
Pressure Switch Stuck Open | View Details |
| rE |
Display shows rE or RE and spa may reboot or lose settings.
|
Internal Control Pack Reset / EEPROM Error | View Details |
| SE |
Display shows SE or SEr and controls may be unresponsive or behave erratically.
|
Sensor Error / Sensor Out of Range | View Details |
| SLP |
Display shows SLP or SL and spa only heats during filter cycles; water may feel cooler than set point.
|
Sleep Mode Active | View Details |
| Sn1 |
Display shows Sn1 or SENS1 and spa may not heat or may shut down.
|
Primary Temperature Sensor Fault | View Details |
| Sn2 |
Display shows Sn2 or SENS2 and spa may not heat or may shut down.
|
High-Limit or Secondary Sensor Fault | View Details |
| – |
Air controls (venturis) do not introduce air; jets feel flat even with air knobs open.
|
Air Induction Failure | View Details |
| – |
Excessive vibration or rattling from spa cabinet when jets are on high speed.
|
Mechanical Vibration / Imbalanced Pump | View Details |
| – |
Jets are weak or no water comes out of jets even though pump is running.
|
Restricted Water Flow / Air Lock | View Details |
| – |
Loud humming from pump but no water movement; pump may trip breaker after a short time.
|
Seized Pump Motor or Impeller Obstruction | View Details |
| – |
Ozonator indicator is on but no bubbles appear from ozonator jet.
|
Ozone Injection Failure | View Details |
| – |
Persistent foamy water even after rinsing filters; foam increases when jets are on.
|
Water Chemistry Imbalance / Contamination | View Details |
| – |
Some or all jets do not light up; LED lighting is dim, flickering, or off.
|
LED Lighting Circuit Failure | View Details |
| – |
Spa makes loud banging or knocking noises when pumps start or stop.
|
Water Hammer / Loose Plumbing | View Details |
| – |
Spa runs but water slowly loses heat and never reaches set temperature.
|
Insufficient Heating Capacity / Heat Loss | View Details |
| – |
Spa shell surface around jets shows discoloration, scaling, or roughness.
|
Scale and Mineral Deposit Buildup | View Details |
| – |
Spa trips breaker immediately or within a few seconds of turning on.
|
Short Circuit or Ground Fault in Major Component | View Details |
| – |
Spa will not heat; water stays at or near ambient temperature even though pumps run.
|
Heater Element Failure | View Details |
| – |
Strong chemical or musty odor from spa water.
|
Poor Sanitation / Biofilm Growth | View Details |
| – |
Topside buttons respond intermittently or require very hard presses.
|
Worn or Contaminated Keypad | View Details |
| – |
Topside control panel is blank but GFCI/breaker is not tripped.
|
No Low-Voltage Power to Keypad | View Details |
| – |
Water around headrests or under cover when spa is not in use.
|
Condensation or Minor Splash Leakage | View Details |
| – |
Water leaking from under the spa cabinet or around equipment bay.
|
Plumbing or Component Leak | View Details |
No matching codes found
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