Canadian Spa Company
Canadian Spa Company 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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AOH
Display shows AOH or AOHt; equipment bay feels very hot.
Ambient overheat in equipment compartment
COd
Display shows COd or COLD, and the spa will not start a normal heating cycle.
Freeze protection / cold water protection mode.
dr
Display shows dr or DR, and the heater shuts down; it may be followed by dY or DY.
Dry fire protection / heater running without adequate water.
dY
Display shows dY or DY after a dr error; the spa may be locked out from heating.
Persistent dry heater condition lockout.
EC
Display shows EC or ECO; the spa heats less often and may not maintain a high temperature.
Energy-saving / economy heating mode active (not a fault).
FLC
Display shows FLC or FLOC, and the heater is disabled.
Flow switch closed when it should be open (flow switch stuck closed).
FLO
Display shows FLO or FL, and the heater will not turn on; it may show intermittent heating.
Insufficient water flow through the heater / flow switch open.
HL
Display shows HL or HLt, and the spa stops heating; pumps may still run.
High-limit trip due to localized heater over-temperature.
LOC
Display shows LOC or lock icon; buttons do not respond.
Control panel lock / child lock enabled
OH
Display shows OH or OHH and spa shuts down; water may feel very hot.
Overheat condition detected by hi-limit sensor
P1
Display shows P1 error and Pump 1 will not run or runs erratically.
Pump 1 drive or overload fault
P2
Display shows P2 error and Pump 2 does not operate.
Pump 2 drive or overload fault
PF
Display shows PF or PFL, and the spa shuts down unexpectedly.
Power failure or low line voltage detected.
Prr
Display shows Prr or PR, and the spa may not operate normally.
Priming mode or pump priming reminder.
SE
Display shows SE or SEr, and controls may be unresponsive or behave erratically.
Sensor error or sensor out of range.
Sn1
Control panel displays Sn1 and spa will not heat or may shut down.
Primary water temperature sensor failure (sensor 1)
Sn2
Control panel displays Sn2 and spa may not heat or may shut down.
Secondary water temperature or hi-limit sensor failure (sensor 2)
— —
Display shows dashes (– –) or blank temperature reading; spa may not heat.
No temperature reading / sensor not detected
Symptom
Air blower does not turn on or shuts off quickly.
Air blower failure or thermal overload
Symptom
Buttons on the control panel stick or activate by themselves.
Keypad membrane failure or moisture intrusion
Symptom
High-pitched whining or buzzing from the circulation pump; water flow is reduced.
Failing circulation pump
Symptom
Jets are weak or no water comes out of jets even though pump is running.
Poor jet flow / circulation issue
Symptom
LED lights do not work, or only some colors/functions work.
LED lighting system failure
Symptom
Loud grinding, squealing, or rattling noise from the pump area.
Pump mechanical failure or cavitation
Symptom
Ozone generator not bubbling or ozone indicator not lit.
Ozonator failure or blocked ozone line
Symptom
Pump hums but does not start; may trip the breaker after a few seconds.
Seized pump motor or failed start capacitor
Symptom
Spa cabinet or shell panels show condensation and minor drips but no obvious leak.
Condensation / minor seepage
Symptom
Spa frequently overheats above set temperature without showing an error code.
Temperature regulation drift / sensor or relay issue
Symptom
Spa heats very slowly or cannot reach maximum temperature in cold weather.
Insufficient heating performance
Symptom
Spa powers on but will not heat; temperature stays below setpoint.
No heat / heater not energizing
Symptom
Spa trips the GFCI breaker immediately or shortly after turning on.
Ground fault / short circuit
Symptom
Spa will not power on at all; no lights on control panel, no pump activity.
No power / dead spa
Symptom
Strong chemical or plastic smell from the equipment bay or water.
Over-chlorination or overheating of components
Symptom
The spa is leaking water from under the cabinet.
Plumbing or component leak
Symptom
The topside control panel is blank or the display is unreadable, but pumps may still run on their own.
Topside control failure or communication issue
Symptom
Water is cloudy, foamy, or has a strong odor despite filtration.
Water quality / sanitation issue
Symptom
Water is leaking from around a specific jet in the shell.
Jet body or gasket leak
| Error Code | Symptom | Fault Type | Guide |
|---|---|---|---|
| AOH |
Display shows AOH or AOHt; equipment bay feels very hot.
|
Ambient overheat in equipment compartment | View Details |
| COd |
Display shows COd or COLD, and the spa will not start a normal heating cycle.
|
Freeze protection / cold water protection mode. | View Details |
| dr |
Display shows dr or DR, and the heater shuts down; it may be followed by dY or DY.
|
Dry fire protection / heater running without adequate water. | View Details |
| dY |
Display shows dY or DY after a dr error; the spa may be locked out from heating.
|
Persistent dry heater condition lockout. | View Details |
| EC |
Display shows EC or ECO; the spa heats less often and may not maintain a high temperature.
|
Energy-saving / economy heating mode active (not a fault). | View Details |
| FLC |
Display shows FLC or FLOC, and the heater is disabled.
|
Flow switch closed when it should be open (flow switch stuck closed). | View Details |
| FLO |
Display shows FLO or FL, and the heater will not turn on; it may show intermittent heating.
|
Insufficient water flow through the heater / flow switch open. | View Details |
| HL |
Display shows HL or HLt, and the spa stops heating; pumps may still run.
|
High-limit trip due to localized heater over-temperature. | View Details |
| LOC |
Display shows LOC or lock icon; buttons do not respond.
|
Control panel lock / child lock enabled | View Details |
| OH |
Display shows OH or OHH and spa shuts down; water may feel very hot.
|
Overheat condition detected by hi-limit sensor | View Details |
| P1 |
Display shows P1 error and Pump 1 will not run or runs erratically.
|
Pump 1 drive or overload fault | View Details |
| P2 |
Display shows P2 error and Pump 2 does not operate.
|
Pump 2 drive or overload fault | View Details |
| PF |
Display shows PF or PFL, and the spa shuts down unexpectedly.
|
Power failure or low line voltage detected. | View Details |
| Prr |
Display shows Prr or PR, and the spa may not operate normally.
|
Priming mode or pump priming reminder. | View Details |
| SE |
Display shows SE or SEr, and controls may be unresponsive or behave erratically.
|
Sensor error or sensor out of range. | View Details |
| Sn1 |
Control panel displays Sn1 and spa will not heat or may shut down.
|
Primary water temperature sensor failure (sensor 1) | View Details |
| Sn2 |
Control panel displays Sn2 and spa may not heat or may shut down.
|
Secondary water temperature or hi-limit sensor failure (sensor 2) | View Details |
| — — |
Display shows dashes (– –) or blank temperature reading; spa may not heat.
|
No temperature reading / sensor not detected | View Details |
| – |
Air blower does not turn on or shuts off quickly.
|
Air blower failure or thermal overload | View Details |
| – |
Buttons on the control panel stick or activate by themselves.
|
Keypad membrane failure or moisture intrusion | View Details |
| – |
High-pitched whining or buzzing from the circulation pump; water flow is reduced.
|
Failing circulation pump | View Details |
| – |
Jets are weak or no water comes out of jets even though pump is running.
|
Poor jet flow / circulation issue | View Details |
| – |
LED lights do not work, or only some colors/functions work.
|
LED lighting system failure | View Details |
| – |
Loud grinding, squealing, or rattling noise from the pump area.
|
Pump mechanical failure or cavitation | View Details |
| – |
Ozone generator not bubbling or ozone indicator not lit.
|
Ozonator failure or blocked ozone line | View Details |
| – |
Pump hums but does not start; may trip the breaker after a few seconds.
|
Seized pump motor or failed start capacitor | View Details |
| – |
Spa cabinet or shell panels show condensation and minor drips but no obvious leak.
|
Condensation / minor seepage | View Details |
| – |
Spa frequently overheats above set temperature without showing an error code.
|
Temperature regulation drift / sensor or relay issue | View Details |
| – |
Spa heats very slowly or cannot reach maximum temperature in cold weather.
|
Insufficient heating performance | View Details |
| – |
Spa powers on but will not heat; temperature stays below setpoint.
|
No heat / heater not energizing | View Details |
| – |
Spa trips the GFCI breaker immediately or shortly after turning on.
|
Ground fault / short circuit | View Details |
| – |
Spa will not power on at all; no lights on control panel, no pump activity.
|
No power / dead spa | View Details |
| – |
Strong chemical or plastic smell from the equipment bay or water.
|
Over-chlorination or overheating of components | View Details |
| – |
The spa is leaking water from under the cabinet.
|
Plumbing or component leak | View Details |
| – |
The topside control panel is blank or the display is unreadable, but pumps may still run on their own.
|
Topside control failure or communication issue | View Details |
| – |
Water is cloudy, foamy, or has a strong odor despite filtration.
|
Water quality / sanitation issue | View Details |
| – |
Water is leaking from around a specific jet in the shell.
|
Jet body or gasket leak | View Details |
No matching codes found
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