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Click on any linkable error code below for more information. In some instances it may be more prudent to contact a local repairman or send Spa Care Center your control box for evaluation/repair. Please note that the Balboa Error Codes cover all circuit board manufactured by Balboa including Cal Spa, Marquis Spa, Master Spa and many others. Gecko Error Codes also cover any control box manufactured by Gecko.
For information regarding repairs click here If you need further help with troubleshooting click here

  • Balboa Spa Side Error Codes
    For more information regarding Balboa tech supportclick here
    pd Power supply, unit running on battery backup
    OH Sensors reading 112-118° F.
    OHH Overheat. Spa has shut down. One sensor has detected 118º F at heater.
    OHS Overheat. Spa has shut down. One sensor has detected 110º F.
    Flo Improper flow or pressure switch malfunction
    Cool Water temp 20° below set point
    ICE Potential freeze condition has been detected
    Sn1 Hi-limit sensor malfunction
    Sn3 Temp sensor malfunction
    SnA Spa is shut down. Sensor plugged into jack A is not working.
    Snb Spa is shut down. Sensor plugged into jack B is not working.
    SnS Sensors out of balance. If alternating with temp, may be temporary condition. If display shows only this message (blinking) spa is shut down.
    HFL Substantial difference between temperature sensors detected. Could indicate a flow problem.
    LF Persistent low flow problems. (Displays on the 5th occurrence of "HFL" message with 24 hours). Heater is shut down, but other spa functions run normally.
    dr Inadequate water detected in heater..
    dry Inadequate water detected in heater. (Displays on third occurrence of "dr" message). Spa is shut down.
    Pr When spa is first actuated, it will go into Priming Mode.
    ILOC Interlock failure - possible pump or ozone spike.
    (---) Unknown water temperature. (Displays when first powered up after refill).
    Std Spa operating in Standard Mode.
    Ecn Spa operating in Economy Mode.
    SL Indicates spa is in Sleep mode
    SF Safety Suction, Spa is shut down.
    SE Spa operating in Standard-in-Economy Mode.
    Gecko Spa Side Error Codes
    FLO Pressure switch failure, switch open
    FLC Pressure switch failure, switch closed
    Prr Temp sensor failure
    Prh Hi-limit sensor failure
    HL Sensor measuring 119 degrees
    FrE Possible freeze condition detected
    Hurricane Spa Side Error Codes
    PS Flow or pressure switch failure
    SH Shorted sensor
    OP Open Sensor Degrees
    LO Temp below 60 degrees - freeze
    HL Temp above 118 degrees
    OH Spa temp exceeds acceptable limits
    FLO Flow problem
    ICE Freeze condition detected
    SN1 Hi-limit sensor failure
    SN2 Temp sensor failure
    Spa Quip Spa Side Error Codes
    err 1 (H20) Prime Failed
    err 3 Stuck Button
    err 4 No Water Sensor
    err 5 Overtemperature
    err 6 Thermal Cut Out Tripped
    err 7 Stuck Relay
    err 8 No Temperature Data
    01 Stuck Button
    02 No Controller Data
    03 Temperature Sensor
    04 Water Sensor
    05 Spa Over Temperature
    06 Heater Thermal Cut Out
    07 Stuck Heater Relay
    09 Water Prime Failed
    Hydro-Quip Spa Side Error Codes
    For more information regarding Hydro-Quip tech support click here
    C Celsius
    CL Current Time of Day
    ECdu Economy Mode Duration
    Econ Economy Mode Turn On
    F Fahrenheit
    Fldu Filter Cycle Duration
    Flon Filter Cycle Turn On
    FLC Pressure Switch Alarm
    FLO Pressure Switch Alarm
    FrEE Freeze Protection Alarm
    HL High Temperature Alarm
    Loc Panel / Keypad Locked
    PrH Temperature Sensors Alarm
    Prr Temperature Sensors Alarm
    Tu Temperature Set Celsius
    Tu Temperature Set Fahrenheit
    Jacuzzi Whirlpool Spa Side Error Codes
    OH Overheat Protection (Heater is deactivated, pumps low speed is activated).
    COOL Spa water is more than 20° F cooler than the temperature set point.
    FLO Flow Switch (heater is deactivated. Pump may also be deactivated).
    Hold Panel sensors have been pressed too many times in a short period of time.
    HOT Circuit Board temperature has exceeded acceptable limit.
    ICE Freeze protection. No action is necessary.
    ICE2 Freeze protection. No action is necessary.
    PnL Communication between the panel and circuit board is faulty.
    ---- Watchdog" (spa is deactivated) A problem has been detected.
    Sn1 Open sensor (heater is deactivated) or Shorted sensor (spa is deactivated).
    Sn3 Open or shorted sensor ( heater disabled).
    FLO2 Closed or shorted flow switch on system startup
  • Dream Maker Spa Side Error Codes
    OH Overheat Protection (Heater is deactivated, pumps low speed is activated).
    FL Spa water is more than 20° F cooler than the temperature set point.
    SN Flow Switch (heater is deactivated. Pump may also be deactivated).
    F2 Panel sensors have been pressed too many times in a short period of time.
    F4 Circuit Board temperature has exceeded acceptable limit.
    F6 Freeze protection. No action is necessary.
    FC Freeze protection. No action is necessary.
    Sundance Spa Side Error Codes
    For more information regarding Sundance tech support click here
    ILOC Interlock failure - possible pump or ozone spike
    FLO Pressure switch malfunction
    Hold Panel buttons pressed to many times to quickly
    HOT PCB temperature above acceptable limit - air blower on
    ICE Potential freeze condition
    Pnl Communication between PCB and panel interrupted
    Sn1 Hi-limit sensor failure
    Sn3 Temp sensor failure
    Vita Spa Side Error Codes
    HiLi Water temp over acceptable limit
    BJ2P Pump/Blower purge - normal condition
    PS / FLO Insuffcient water flow through heater.
    FP Freeze protect-temp under acceptable condition
    SS=0;SS=S;LS=O;LS=S Multiple causes; open sensors, bad connection to panel, improper voltage, etc.
    Brett Spa Side Error Codes
    For more information Regarding Brett Aqualine tech support click here
    OH Temp exceeds 118 degrees
    Fr Freeze condition - temp below 40 degrees
    FL Pressure switch failure
    EO Shorted temp sensor
    E1 Open temp sensor
    E2 Shorted hi-limit sensor
    E3 Open hi-limit sensor
    E4 Shorted flow switch
    E7 Improper electrical connection
    Hercules Spa Side Error Codes
    OH Spa temp exceeds acceptable limits
    FLO Flow problem
    ICE Freeze condition detected
    SN1 Hi-limit sensor failure
    SN2 Temp sensor failure
    ACC (Applied Computer Controls)
    CoLd Temperature in the spa heater housing is below 40° F. Status of the heater element is unknown. The low speed pump or circ pump will operate continuously until the temperature rises above 45° F.
    OH Over heat. The spa is at a temperature above 108° . Do not use spa when temperature is flashing or the OH message is displayed.
    HLoH Hi Limit Over Heat. Hi limit sensor is disconnected or shorted or the spa temperature is above 112° F.
    SEoP Sensor open or disconnected. Heater disabled but the spa is operational.
    SESH Sensor short, nonfunctional. Heater disabled but the spa is operational.
    PSoC Pressure switch open with circulating pump.
    PSoL Pressure switch open with low pump.
    PSoH Pressure switch open with high pump.
    ToE Time out error. Rare system error. Spa unusable.
    Spa Builders Spa Side Error Codes
    For more information regarding Spa Builders tech supportclick here
    Sn1 Nonfunctional high temperature sensor. Heater is deactivated.
    Sn2 Nonfunctional temperature sensor. Heater is deactivated.
    FL1 Water flow problem, inhibited or pressure switch malfunction. Check for proper spa water level and ensure pump is primed. Check for clogged filter.
    FL2 Pressure switch problem. Switch closed while pump is deactivated.
    COL Cool condition. If water temperature drops 20ºF below set temperature, low speed pump and heater activates to bring temperature within 15º of set temperature.
    ICE Freeze condition. 55ºF detected. Low speed pump and heater will activate until spa reaches 65ºF.
    OH High temperature condition, has reached 110ºF. Do not enter the spa. Low speed pump (and air blower if so equipped) will activate to assist in lowering temperature.
    --- = "Watchdog". Water temperature has reached 118ºF. Entire system is disabled. Contact qualified service technician.
    CTI Spa Side Error Codes
    For more information regarding CTI tech support click here
    th1/39 On startup indicates temperature probe problem.
    th2/current temperature On startup indicates temperature probe problem.
    th3/39 On startup indicates water temperature less than 39° F.
    OH Overheating, water over 112° F. System will restart when temp. drops.
    hot Overheating, water over 112° F. System will restart when temp. drops.
    HL High limit switch tripped.
    Blue Ridge Spa Side Error Codes click here
    Gatsby Spa Spa Side Error Codes click here
    Imperial Spa Spa Side Error Codes click here
    Swift River Spa Side Error Codes click here
    Winchester Spa Error Codes click here
Flashing Light Spa Side Error Codes
1 flash - 3 second gap High Limit fault
2 flashes - 3 second gap Pressure/Flow switch short circuit
3 flashes - 3 second gap Pressure/Flow switch open circuit
4 flashes - 3 second gap Open circuit Sensor(s)
Flash - 1 second on, 1 second off Same as OH
Flash - briefly OFF once per second Same as Sn1 or Sn3
Flash - briefly ON once per second Same as FLC
Blinking Power Indicator Light - Hydromate High Limit tripped or, sensor fault
1 flash per second - onga 4352, 53, 95, etc Pressure switch open circuit - could also be motor, or motor thermal overload
3 flashes per second - onga 4352, 53, 95, etc Electronic fault - sensor (most common cause) or PCB
Green flashes - Spaquip Pulsar/2095 series Water sensor fault - lack of water
Red/Green alternate flashes Temperature sensor fault, open circuit, or high limit tripped - push Reset Rod
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