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Error & LCD Window Message Codes:
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. Contact ACC.
Balboa
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 Fat heater.
OHS = Overheat. Spa has shut down. One sensor has detected 110ºF.
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.
SE = Spa operating in Standard-in-Economy Mode.
Brett Aqualine
OH = Temp exceeds 118° F
Fr = Freeze condition - temp below 40° F
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
CTI
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.
Dream Maker Hot Tubs
OH = Overheat 108° F, spa is deactivated. Do not enter the water.
FL = Flow. Pressure switch is not working.
SN = Non functional high temperature sensor. Heater is deactivated.
F2 = 4 hours daily filtration
F4 = 8 hours daily filtration
F6 = 12 hours daily filtration
FC = continuous filtration
EasyPak
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
Gecko
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° F
FrE = Possible freeze condition detected
Hercules
OH = Spa temp exceeds acceptable limits
FLO = Flow problem
ICE = Freeze condition detected
SN1 = Hi-limit sensor failure
SN2 = Temp sensor failure
Hurricane
PS = Flow or pressure switch failure
SH = Shorted sensor
OP = Open Sensor
LO = Temp below 60° F - freeze
HL = Temp above 118° F
Hydro-Quip
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
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.
I CE2 = 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
BLB (or 616) = ClearRay Ozone bulb service warning. Replace bulb
Pinnacle
OH = Temperature has exceeded 110° F
SN = Sensor failure
FL = Flow/pressure switch stuck in closed position
Spa Builders
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.
Sundance Spas
ILOC = Interlock failure - possible pump or ozone spike
FLO = Pressure switch malfunction or Flow switch malfunction (system specific)
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
---- = "Watchdog" (spa is deactivated) A problem has been detected
BLB (or 616) = ClearRay Ozone bulb service warning. Replace bulb
Vita Spas
HiLi = Water temp over acceptable limit
BJ2P = Pump/Blower purge - normal condition
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.
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